docs: time format indications

docs/docs/segment-time.md

@@ -25,13 +25,49 @@ Show the current timestamp.
 
 - time_format: `string` - format to use, follows the [golang standard][format] - defaults to `15:04:05`
 
-[format]: https://gobyexample.com/time-formatting-parsing
+[format]: https://yourbasic.org/golang/format-parse-string-time-date-example/
 
 - template: `string` - A go [text/template][go-text-template] template extended with [sprig][sprig] utilizing the
-properties below. Only used when a value is set, making the above properties obsolete.
+  properties below. Only used when a value is set, making the above properties obsolete.
 
   example: `{{ now | date \"January 02, 2006 15:04:05 PM\" | lower }}`
 
 ## Template Properties
 
 - `.CurrentDate`: `time` - The time to display(testing purpose)
+
+### Standard time and date formats
+
+- January 2, 2006 **Date**
+- 01/02/06
+- Jan-02-06
+- 15:04:05 **Time**
+- 3:04:05 PM
+- Jan _2 15:04:05 **Timestamp**
+- Jan _2 15:04:05.000000 **with microseconds**
+- 2006-01-02T15:04:05-0700 **ISO 8601 (RFC 3339)**
+- 2006-01-02
+- 15:04:05
+- 02 Jan 06 15:04 MST **RFC 822**
+- 02 Jan 06 15:04 -0700 **with numeric zone**
+- Mon, 02 Jan 2006 15:04:05 MST 27e95cb
+- Mon, 02 Jan 2006 15:04:05 -0700 **with numeric zone**
+
+#### The following predefined date and timestamp format constants are also available
+
+- ANSIC       = "Mon Jan _2 15:04:05 2006"
+- UnixDate    = "Mon Jan _2 15:04:05 MST 2006"
+- RubyDate    = "Mon Jan 02 15:04:05 -0700 2006"
+- RFC822      = "02 Jan 06 15:04 MST"
+- RFC822Z     = "02 Jan 06 15:04 -0700"
+- RFC850      = "Monday, 02-Jan-06 15:04:05 MST"
+- RFC1123     = "Mon, 02 Jan 2006 15:04:05 MST"
+- RFC1123Z    = "Mon, 02 Jan 2006 15:04:05 -0700"
+- RFC3339     = "2006-01-02T15:04:05Z07:00"
+- RFC3339Nano = "2006-01-02T15:04:05.999999999Z07:00"
+- Kitchen     = "3:04PM"
+// Useful time stamps.
+- Stamp      = "Jan _2 15:04:05"
+- StampMilli = "Jan _2 15:04:05.000"
+- StampMicro = "Jan _2 15:04:05.000000"
+- StampNano  = "Jan _2 15:04:05.000000000"