diff --git a/.env.example b/.env.example
index d57324f1..f3682d1b 100644
--- a/.env.example
+++ b/.env.example
@@ -7,54 +7,54 @@
 #───────────────────────────────────────────────────────────────────────────────
 # Test Discovery
 #───────────────────────────────────────────────────────────────────────────────
-BASHUNIT_DEFAULT_PATH=           # Default: tests
-BASHUNIT_BOOTSTRAP=              # Default: tests/bootstrap.sh
-BASHUNIT_BOOTSTRAP_ARGS=         # Arguments passed to bootstrap script
+BASHUNIT_DEFAULT_PATH=              # Default: tests
+BASHUNIT_BOOTSTRAP=                 # Default: tests/bootstrap.sh
+BASHUNIT_BOOTSTRAP_ARGS=            # Arguments passed to bootstrap script
 
 #───────────────────────────────────────────────────────────────────────────────
 # Output Display
 #───────────────────────────────────────────────────────────────────────────────
-BASHUNIT_SHOW_HEADER=            # Default: true
-BASHUNIT_HEADER_ASCII_ART=       # Default: false
-BASHUNIT_SIMPLE_OUTPUT=          # Default: false (use dots instead of test names)
-BASHUNIT_VERBOSE=                # Default: false (show environment variables)
-BASHUNIT_NO_OUTPUT=              # Default: false (suppress all output)
-BASHUNIT_SHOW_EXECUTION_TIME=    # Default: true
-BASHUNIT_SHOW_SKIPPED=           # Default: false (show skipped test details)
-BASHUNIT_SHOW_INCOMPLETE=        # Default: false (show incomplete test details)
-BASHUNIT_FAILURES_ONLY=          # Default: false (only show failures)
-BASHUNIT_NO_COLOR=               # Default: false (disable colors)
+BASHUNIT_SHOW_HEADER=               # Default: true
+BASHUNIT_HEADER_ASCII_ART=          # Default: false
+BASHUNIT_SIMPLE_OUTPUT=             # Default: false (use dots instead of test names)
+BASHUNIT_VERBOSE=                   # Default: false (show environment variables)
+BASHUNIT_NO_OUTPUT=                 # Default: false (suppress all output)
+BASHUNIT_SHOW_EXECUTION_TIME=       # Default: true
+BASHUNIT_SHOW_SKIPPED=              # Default: false (show skipped test details)
+BASHUNIT_SHOW_INCOMPLETE=           # Default: false (show incomplete test details)
+BASHUNIT_FAILURES_ONLY=             # Default: false (only show failures)
+BASHUNIT_NO_COLOR=                  # Default: false (disable colors)
 
 #───────────────────────────────────────────────────────────────────────────────
 # Test Execution
 #───────────────────────────────────────────────────────────────────────────────
-BASHUNIT_PARALLEL_RUN=           # Default: false
-BASHUNIT_STOP_ON_FAILURE=        # Default: false (stop suite on first failure)
+BASHUNIT_PARALLEL_RUN=              # Default: false
+BASHUNIT_STOP_ON_FAILURE=           # Default: false (stop suite on first failure)
 BASHUNIT_STOP_ON_ASSERTION_FAILURE= # Default: true (stop test on first assertion fail)
-BASHUNIT_STRICT_MODE=            # Default: false (enable set -euo pipefail)
-BASHUNIT_LOGIN_SHELL=            # Default: false (source login shell profiles)
+BASHUNIT_STRICT_MODE=               # Default: false (enable set -euo pipefail)
+BASHUNIT_LOGIN_SHELL=               # Default: false (source login shell profiles)
 
 #───────────────────────────────────────────────────────────────────────────────
 # Reports
 #───────────────────────────────────────────────────────────────────────────────
-BASHUNIT_LOG_JUNIT=              # JUnit XML report path (e.g., report.xml)
-BASHUNIT_REPORT_HTML=            # HTML test report path (e.g., report.html)
+BASHUNIT_LOG_JUNIT=                 # JUnit XML report path (e.g., report.xml)
+BASHUNIT_REPORT_HTML=               # HTML test report path (e.g., report.html)
 
 #───────────────────────────────────────────────────────────────────────────────
 # Code Coverage
 #───────────────────────────────────────────────────────────────────────────────
-BASHUNIT_COVERAGE=               # Default: false
-BASHUNIT_COVERAGE_PATHS=         # Default: src/ (comma-separated paths to track)
-BASHUNIT_COVERAGE_EXCLUDE=       # Default: tests/*,vendor/*,*_test.sh,*Test.sh
-BASHUNIT_COVERAGE_REPORT=        # Default: coverage/lcov.info
-BASHUNIT_COVERAGE_REPORT_HTML=   # HTML coverage report directory (e.g., coverage/html)
-BASHUNIT_COVERAGE_MIN=           # Minimum coverage % (fails if below)
-BASHUNIT_COVERAGE_THRESHOLD_LOW= # Default: 50 (red below this)
-BASHUNIT_COVERAGE_THRESHOLD_HIGH=# Default: 80 (green above this)
+BASHUNIT_COVERAGE=                  # Default: false
+BASHUNIT_COVERAGE_PATHS=            # Default: src/ (comma-separated paths to track)
+BASHUNIT_COVERAGE_EXCLUDE=          # Default: tests/*,vendor/*,*_test.sh,*Test.sh
+BASHUNIT_COVERAGE_REPORT=           # Default: coverage/lcov.info
+BASHUNIT_COVERAGE_REPORT_HTML=      # HTML coverage report directory (e.g., coverage/html)
+BASHUNIT_COVERAGE_MIN=              # Minimum coverage % (fails if below)
+BASHUNIT_COVERAGE_THRESHOLD_LOW=    # Default: 50 (red below this)
+BASHUNIT_COVERAGE_THRESHOLD_HIGH=   # Default: 80 (green above this)
 
 #───────────────────────────────────────────────────────────────────────────────
 # Advanced / Debug
 #───────────────────────────────────────────────────────────────────────────────
-BASHUNIT_DEV_LOG=                # Developer log file path
-BASHUNIT_BENCH_MODE=             # Default: false (benchmark mode)
-BASHUNIT_INTERNAL_LOG=           # Default: false (internal debug logging)
+BASHUNIT_DEV_LOG=                   # Developer log file path
+BASHUNIT_BENCH_MODE=                # Default: false (benchmark mode)
+BASHUNIT_INTERNAL_LOG=              # Default: false (internal debug logging)
diff --git a/.github/workflows/tests-bash-3.0.yml b/.github/workflows/tests-bash-3.0.yml
index 51fc0370..0087945b 100644
--- a/.github/workflows/tests-bash-3.0.yml
+++ b/.github/workflows/tests-bash-3.0.yml
@@ -80,6 +80,9 @@ jobs:
         with:
           fetch-depth: 1
 
+      - name: Setup Config
+        run: cp .env.example .env
+
       - name: Download Docker image artifact
         uses: actions/download-artifact@v4
         with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7173d2c1..c5e95996 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -17,9 +17,54 @@ jobs:
         with:
           fetch-depth: 1
 
+      - name: Setup Config
+        run: cp .env.example .env
+
       - name: Run Tests
         run: make test
 
+  localized-ubuntu:
+    name: "Ubuntu - ${{ matrix.name }} Locale"
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: "Spanish"
+            lang: "es_ES.UTF-8"
+            tz: "Europe/Madrid"
+            language_pack: "language-pack-es-base"
+          - name: "Brazilian"
+            lang: "pt_BR.UTF-8"
+            tz: "America/Sao_Paulo"
+            language_pack: "language-pack-pt-base"
+          - name: "Japanese"
+            lang: "ja_JP.UTF-8"
+            tz: "Asia/Tokyo"
+            language_pack: "language-pack-ja-base"
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Install locales
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y locales "${{ matrix.language_pack }}"
+          sudo locale-gen "${{ matrix.lang }}"
+
+      - name: Setup Config
+        run: cp .env.example .env
+
+      - name: Run Tests
+        env:
+          LANG: ${{ matrix.lang }}
+          LC_ALL: ${{ matrix.lang }}
+          TZ: ${{ matrix.tz }}
+        run: make test
+
   macos:
     name: "macOS - latest"
     runs-on: macos-latest
@@ -30,6 +75,9 @@ jobs:
         with:
           fetch-depth: 1
 
+      - name: Setup Config
+        run: cp .env.example .env
+
       - name: Run Tests
         run: make test
 
@@ -63,6 +111,10 @@ jobs:
         with:
           fetch-depth: 1
 
+      - name: Setup Config
+        shell: bash
+        run: cp .env.example .env
+
       - name: Run tests
         shell: bash
         run: |
@@ -78,6 +130,9 @@ jobs:
         with:
           fetch-depth: 1
 
+      - name: Setup Config
+        run: cp .env.example .env
+
       - name: Run Tests
         run: |
           docker run --rm -v "$(pwd)":/project alpine:latest /bin/sh -c " \
@@ -97,6 +152,9 @@ jobs:
         with:
           fetch-depth: 1
 
+      - name: Setup Config
+        run: cp .env.example .env
+
       - name: Run Tests
         run: |
           ./bashunit --simple tests/
@@ -111,6 +169,9 @@ jobs:
         with:
           fetch-depth: 1
 
+      - name: Setup Config
+        run: cp .env.example .env
+
       - name: Run Tests
         run: |
           ./bashunit --parallel --simple tests/
@@ -125,6 +186,9 @@ jobs:
         with:
           fetch-depth: 1
 
+      - name: Setup Config
+        run: cp .env.example .env
+
       - name: Run Tests
         run: |
           ./bashunit --parallel tests/
@@ -139,6 +203,9 @@ jobs:
         with:
           fetch-depth: 1
 
+      - name: Setup Config
+        run: cp .env.example .env
+
       - name: Run Tests with strict mode
         run: |
           ./bashunit --parallel --simple --strict tests/
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ff9f45b..0b2f5927 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@
 
 ### Fixed
 - Fix spying on `echo` or `printf` causing bashunit to hang due to infinite recursion (#607)
+- Fix invalid `.env.example` coverage threshold entry and copy `.env.example` to `.env` in CI test workflows so configuration parse errors are caught during automated test runs
+- Fix `clock::now` shell-time parsing when `EPOCHREALTIME` uses a comma decimal separator
 
 ## [0.34.1](https://github.com/TypedDevs/bashunit/compare/0.34.0...0.34.1) - 2026-03-20
 
diff --git a/src/assert_dates.sh b/src/assert_dates.sh
index fa33486a..849aff9d 100644
--- a/src/assert_dates.sh
+++ b/src/assert_dates.sh
@@ -12,10 +12,25 @@ function bashunit::date::to_epoch() {
     ;;
   esac
 
-  # Normalize ISO 8601: replace T with space, strip Z suffix, strip tz offset
+  # Handle Z (UTC) suffix explicitly: BusyBox needs TZ=UTC, BSD needs +0000
+  case "$input" in
+  *Z)
+    local utc_input="${input%Z}"
+    local utc_norm="${utc_input/T/ }"
+    local epoch
+    # GNU/BusyBox: parse in explicit UTC
+    epoch=$(TZ=UTC date -d "$utc_input" +%s 2>/dev/null) && { echo "$epoch"; return 0; }
+    epoch=$(TZ=UTC date -d "$utc_norm" +%s 2>/dev/null) && { echo "$epoch"; return 0; }
+    # BSD: use +0000 offset which %z understands
+    epoch=$(date -j -f "%Y-%m-%dT%H:%M:%S%z" "${utc_input}+0000" +%s 2>/dev/null) && { echo "$epoch"; return 0; }
+    echo "$input"
+    return 1
+    ;;
+  esac
+
+  # Normalize ISO 8601: replace T with space, strip tz offset
   local normalized="$input"
   normalized="${normalized/T/ }"
-  normalized="${normalized%Z}"
   # Strip timezone offset (+HHMM or -HHMM) at end for initial parsing
   case "$normalized" in
   *[+-][0-9][0-9][0-9][0-9])
@@ -30,6 +45,24 @@ function bashunit::date::to_epoch() {
     echo "$epoch"
     return 0
   }
+  # If input has timezone offset, parse in UTC and adjust manually (BusyBox)
+  case "$input" in
+  *[+-][0-9][0-9][0-9][0-9])
+    epoch=$(TZ=UTC date -d "$normalized" +%s 2>/dev/null) && {
+      local ilen=${#input}
+      local ostart=$((ilen - 5))
+      local osign="${input:$ostart:1}"
+      local ohh="${input:$((ostart + 1)):2}"
+      local omm="${input:$((ostart + 3)):2}"
+      local osecs=$(( (10#$ohh * 3600) + (10#$omm * 60) ))
+      if [ "$osign" = "+" ]; then
+        osecs=$(( -osecs ))
+      fi
+      echo $(( epoch + osecs ))
+      return 0
+    }
+    ;;
+  esac
   # Try GNU date with normalized (space-separated) input
   if [ "$normalized" != "$input" ]; then
     epoch=$(date -d "$normalized" +%s 2>/dev/null) && {
diff --git a/src/clock.sh b/src/clock.sh
index 3a3b9281..51641a71 100644
--- a/src/clock.sh
+++ b/src/clock.sh
@@ -113,8 +113,11 @@ EOF
   shell)
     # shellcheck disable=SC2155
     local shell_time="$(bashunit::clock::shell_time)"
-    local seconds="${shell_time%%.*}"
-    local microseconds="${shell_time#*.}"
+    local seconds="${shell_time%%[.,]*}"
+    local microseconds="${shell_time#*[.,]}"
+    if [ "$seconds" = "$shell_time" ]; then
+      microseconds=""
+    fi
     # Pad to 6 digits and strip leading zeros for arithmetic
     microseconds="${microseconds}000000"
     microseconds="${microseconds:0:6}"
diff --git a/tests/acceptance/bashunit_bootstrap_args_test.sh b/tests/acceptance/bashunit_bootstrap_args_test.sh
index 4f54dbd0..dc91a087 100644
--- a/tests/acceptance/bashunit_bootstrap_args_test.sh
+++ b/tests/acceptance/bashunit_bootstrap_args_test.sh
@@ -26,7 +26,7 @@ function test_bootstrap_args_via_env_variable() {
   # Use --env flag to set the bootstrap file (avoiding .env override),
   # but use BASHUNIT_BOOTSTRAP_ARGS from environment
   output=$(BASHUNIT_BOOTSTRAP_ARGS="hello world" \
-    ./bashunit --no-parallel --simple \
+    ./bashunit --no-parallel --simple --skip-env-file \
     --env "tests/acceptance/fixtures/bootstrap_with_args.sh" \
     tests/acceptance/fixtures/test_bootstrap_args.sh 2>&1) || true
 
diff --git a/tests/acceptance/bashunit_execution_error_test.sh b/tests/acceptance/bashunit_execution_error_test.sh
index 59eb3c48..d59687f1 100644
--- a/tests/acceptance/bashunit_execution_error_test.sh
+++ b/tests/acceptance/bashunit_execution_error_test.sh
@@ -25,7 +25,6 @@ function test_bashunit_when_a_execution_error() {
     printf "%sRunning ./tests/acceptance/fixtures/test_bashunit_when_a_execution_error.sh%s\n" \
       "${color_bold}" "${color_default}"
     printf "%s✗ Error%s: Error\n" "${color_red}" "${color_default}"
-    printf "    %sline 4: invalid_function_name: command not found%s\n" "${color_dim}" "${color_default}"
   )
   local fixture_end=$(
     format_summary_title "Tests:     "
@@ -39,6 +38,7 @@ function test_bashunit_when_a_execution_error() {
 
   local actual="$(./bashunit --no-parallel --detailed --env "$TEST_ENV_FILE" "$test_file")"
   assert_contains "$fixture_start" "$actual"
+  assert_contains "invalid_function_name" "$actual"
   assert_contains "$fixture_end" "$actual"
   assert_general_error "$(./bashunit --no-parallel --env "$TEST_ENV_FILE" "$test_file")"
 }
diff --git a/tests/acceptance/bashunit_no_color_test.sh b/tests/acceptance/bashunit_no_color_test.sh
index 52647362..1bb7329c 100644
--- a/tests/acceptance/bashunit_no_color_test.sh
+++ b/tests/acceptance/bashunit_no_color_test.sh
@@ -8,7 +8,7 @@ function set_up_before_script() {
 function test_bashunit_no_color_flag_disables_colors() {
   local test_file=./tests/acceptance/fixtures/test_bashunit_when_a_test_passes.sh
   local output
-  output=$(./bashunit --no-parallel --env "$TEST_ENV_FILE" "$test_file" --no-color --simple)
+  output=$(./bashunit --no-parallel --skip-env-file --env "$TEST_ENV_FILE" "$test_file" --no-color --simple)
 
   # ANSI escape codes start with \x1b[ (ESC[) - should not be present
   assert_not_contains $'\e[' "$output"
diff --git a/tests/acceptance/bashunit_setup_before_script_error_test.sh b/tests/acceptance/bashunit_setup_before_script_error_test.sh
index 1fa15819..b6f25071 100644
--- a/tests/acceptance/bashunit_setup_before_script_error_test.sh
+++ b/tests/acceptance/bashunit_setup_before_script_error_test.sh
@@ -15,7 +15,7 @@ function test_bashunit_when_set_up_before_script_errors() {
 
   local header_line="Running $fixture"
   local error_line="✗ Error: Set up before script"
-  local message_line="    $fixture: line 4: invalid_function_name: command not found"
+  local message_line="invalid_function_name"
   local tests_summary="Tests:      1 failed, 1 total"
   local assertions_summary="Assertions: 0 failed, 0 total"
 
diff --git a/tests/acceptance/bashunit_setup_error_test.sh b/tests/acceptance/bashunit_setup_error_test.sh
index 70d4ebf8..8f924366 100644
--- a/tests/acceptance/bashunit_setup_error_test.sh
+++ b/tests/acceptance/bashunit_setup_error_test.sh
@@ -15,7 +15,7 @@ function test_bashunit_when_set_up_errors() {
 
   local header_line="Running $fixture"
   local error_line="✗ Error: Set up"
-  local message_line="    $fixture: line 4: invalid_function_name: command not found"
+  local message_line="invalid_function_name"
   local tests_summary="Tests:      1 failed, 1 total"
   local assertions_summary="Assertions: 0 failed, 0 total"
 
diff --git a/tests/acceptance/bashunit_teardown_after_script_error_test.sh b/tests/acceptance/bashunit_teardown_after_script_error_test.sh
index 03878918..955b1633 100644
--- a/tests/acceptance/bashunit_teardown_after_script_error_test.sh
+++ b/tests/acceptance/bashunit_teardown_after_script_error_test.sh
@@ -15,7 +15,7 @@ function test_bashunit_when_tear_down_after_script_errors() {
 
   local header_line="Running $fixture"
   local error_line="✗ Error: Tear down after script"
-  local message_line="    $fixture: line 4: missing_cleanup_command: command not found"
+  local message_line="missing_cleanup_command"
   local tests_summary="Tests:      1 passed, 1 failed, 2 total"
   local assertions_summary="Assertions: 1 passed, 0 failed, 1 total"
 
diff --git a/tests/acceptance/bashunit_teardown_error_test.sh b/tests/acceptance/bashunit_teardown_error_test.sh
index d127a12e..ee65205f 100644
--- a/tests/acceptance/bashunit_teardown_error_test.sh
+++ b/tests/acceptance/bashunit_teardown_error_test.sh
@@ -15,7 +15,7 @@ function test_bashunit_when_tear_down_errors() {
 
   local header_line="Running $fixture"
   local error_line="✗ Error: Tear down"
-  local message_line="    $fixture: line 4: invalid_function_name: command not found"
+  local message_line="invalid_function_name"
   local tests_summary="Tests:      1 failed, 1 total"
   local assertions_summary="Assertions: 0 failed, 0 total"
 
diff --git a/tests/unit/assert_dates_test.sh b/tests/unit/assert_dates_test.sh
index 57f9cff5..169763e8 100644
--- a/tests/unit/assert_dates_test.sh
+++ b/tests/unit/assert_dates_test.sh
@@ -152,10 +152,10 @@ function test_successful_assert_date_equals_epoch_vs_space_separated() {
   assert_empty "$(assert_date_equals "$epoch" "2023-11-14 12:00:00")"
 }
 
-# UTC Z suffix test (documents existing behavior)
+# UTC Z suffix test
 
 function test_successful_assert_date_equals_with_utc_z_suffix() {
-  assert_empty "$(assert_date_equals "2023-11-14T12:00:00" "2023-11-14T12:00:00Z")"
+  assert_empty "$(assert_date_equals "2023-11-14T14:00:00+0200" "2023-11-14T12:00:00Z")"
 }
 
 # Timezone offset tests
diff --git a/tests/unit/clock_test.sh b/tests/unit/clock_test.sh
index 39f52c70..86f5befb 100644
--- a/tests/unit/clock_test.sh
+++ b/tests/unit/clock_test.sh
@@ -124,6 +124,12 @@ function test_now_prefers_shell_time_over_perl() {
   assert_same "1234567890000" "$(bashunit::clock::now)"
 }
 
+function test_now_handles_shell_time_with_comma_decimal_separator() {
+  bashunit::mock bashunit::clock::shell_time <<<"1234,567890"
+
+  assert_same "1234567890000" "$(bashunit::clock::now)"
+}
+
 function test_now_prefers_python_over_node() {
   bashunit::mock bashunit::clock::shell_time mock_non_existing_fn
   bashunit::mock date mock_non_existing_fn