WST
West Samoa Time
GMT +13
CHAST
Chatham Island Standard Time
GMT +12:45

Time Difference

West Samoa Time is 0 hours and 15 minutes ahead of Chatham Island Standard Time
4:30 am04:30 in WST is 4:15 am04:15 in CHAST

WST to CHAST call time
Best time for a conference call or a meeting is between 8:15am-6pm in WST which corresponds to 8am-5:45pm in CHAST

4:30 am04:30 West Samoa Time (WST). Offset UTC +13:00 hours
4:15 am04:15 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours

4:30 am04:30 WST / 4:15 am04:15 CHAST

WST CHAST
12am (midnight) 11:45 pm
1am 12:45 am
2am 1:45 am
3am 2:45 am
4am 3:45 am
5am 4:45 am
6am 5:45 am
7am 6:45 am
8am 7:45 am
9am 8:45 am
10am 9:45 am
11am 10:45 am
12pm (noon) 11:45 am
1pm 12:45 pm
2pm 1:45 pm
3pm 2:45 pm
4pm 3:45 pm
5pm 4:45 pm
6pm 5:45 pm
7pm 6:45 pm
8pm 7:45 pm
9pm 8:45 pm
10pm 9:45 pm
11pm 10:45 pm
0:00 23:45
1:00 0:45
2:00 1:45
3:00 2:45
4:00 3:45
5:00 4:45
6:00 5:45
7:00 6:45
8:00 7:45
9:00 8:45
10:00 9:45
11:00 10:45
12:00 11:45
13:00 12:45
14:00 13:45
15:00 14:45
16:00 15:45
17:00 16:45
18:00 17:45
19:00 18:45
20:00 19:45
21:00 20:45
22:00 21:45
23:00 22:45

West Samoa Time

Offset: WST is 13 hours ahead Greenwich Mean Time (GMT) and is used in Pacific

WST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +13 - basic short
  • +1300 - basic
  • +13:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates thirteen hour and zero minutes time differences to the east of the zero meridian.
WST Abbreviation: Several time zones share WST abbreviation and it could refer to these time zones
  • Western Sahara Summer Time - UTC +1
  • West Samoa Time - UTC +13
Time zones with the GMT +13 offset:
  • FJST - Fiji Summer Time
  • NZDT - New Zealand Daylight Time
  • PHOT - Phoenix Island Time
  • TKT - Tokelau Time
  • TOT - Tonga Time
  • WST - West Samoa Time
  • WSST - West Samoa Standard Time

Chatham Island Standard Time

Offset: CHAST is 12 hours and 45 minutes ahead Greenwich Mean Time (GMT) and is used in Pacific

CHAST Time Zone Geo Map
CHAST timezone map

CHAST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1245 - basic
  • +12:45 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1245 - sign character (+) followed by a four digit time providing hours (12) and minutes (45) of the offset. Indicates twelve hour and forty-five minutes time differences to the east of the zero meridian.