CHAST
Chatham Island Standard Time
GMT +12:45
UTC
Universal Time Coordinated
GMT +0

Time Difference

Chatham Island Standard Time is 12 hours and 45 minutes ahead of Universal Time Coordinated
9:30 pm21:30 in CHAST is 8:45 am08:45 in UTC

CHAST to UTC call time
Best time for a conference call or a meeting is between 7:15pm-9:15pm in CHAST which corresponds to 6:30am-8:30am in UTC

9:30 pm21:30 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours
8:45 am08:45 Universal Time Coordinated (UTC). Offset UTC 0:00 hours

9:30 pm21:30 CHAST / 8:45 am08:45 UTC

CHAST UTC
12am (midnight) 11:15 am
1am 12:15 pm
2am 1:15 pm
3am 2:15 pm
4am 3:15 pm
5am 4:15 pm
6am 5:15 pm
7am 6:15 pm
8am 7:15 pm
9am 8:15 pm
10am 9:15 pm
11am 10:15 pm
12pm (noon) 11:15 pm
1pm 12:15 am
2pm 1:15 am
3pm 2:15 am
4pm 3:15 am
5pm 4:15 am
6pm 5:15 am
7pm 6:15 am
8pm 7:15 am
9pm 8:15 am
10pm 9:15 am
11pm 10:15 am
0:00 11:15
1:00 12:15
2:00 13:15
3:00 14:15
4:00 15:15
5:00 16:15
6:00 17:15
7:00 18:15
8:00 19:15
9:00 20:15
10:00 21:15
11:00 22:15
12:00 23:15
13:00 0:15
14:00 1:15
15:00 2:15
16:00 3:15
17:00 4:15
18:00 5:15
19:00 6:15
20:00 7:15
21:00 8:15
22:00 9:15
23:00 10:15

Universal Time Coordinated

Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone
  • GMT - GMT