Fractional & Non-Standard Time Simulator

Set any reference time below to observe exact calculations across Earth's most complex quarter-hour and extreme date-line zones.

Universal Time (UTC)
UTC+00:00
12:00
--
Reference meridian at Greenwich, London.
Kathmandu, Nepal
+5 hrs 45 min
17:45
--
Based on 86°15'E solar line over Mt. Gauri Sankar.
Eucla (ACWST)
+8 hrs 45 min
20:45
--
Unofficial Eyre Highway roadhouse compromise zone.
Kiritimati (Kiribati)
+14 hrs 00 min
02:00
-- (Next Day)
Furthest forward time zone in the eastern hemisphere.
Chatham Islands (NZ)
+12 hrs 45 min
00:45
--
New Zealand statutory 45-minute ocean offset.
Lord Howe Island
+10 hrs 30 min
22:30
--
Standard offset (shifts 30 min during DST to UTC+11).