fixed day-rounding issues

jtauber · Aug 11, 2012 · f0a78bf · f0a78bf
1 parent 47ecbe2
commit f0a78bf
Showing 1 changed file with 12 additions and 2 deletions.
diff --git a/index.html b/index.html
@@ -234,8 +234,18 @@ <h3>Days Since J2000 Epoch</h3>
 
                 var lambda = 360 - 137.4;
 
-                var lmst = mtc - lambda * 24 / 360;
-                var ltst = lmst + eot * 24 / 360;
+                var lmst = (mtc - lambda * 24 / 360);
+                if (lmst < 0) {
+                    lmst += 24;
+                } else if (lmst >= 24) {
+                    lmst -= 24;
+                }
+                var ltst = (lmst + eot * 24 / 360);
+                if (ltst < 0) {
+                    ltst += 24;
+                } else if (ltst >= 24) {
+                    ltst -= 24;
+                }
 
                 $(".millis").text(millis);
                 $(".jd_ut").text(jd_ut.toFixed(5));