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

Time Difference

Chatham Island Standard Time is 0 hours and 15 minutes behind West Samoa Standard Time
4:00 pm16:00 in CHAST is 4:15 pm16:15 in WSST

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

4:00 pm16:00 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours
4:15 pm16:15 West Samoa Standard Time (WSST). Offset UTC +13:00 hours

4:00 pm16:00 CHAST / 4:15 pm16:15 WSST

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

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.

West Samoa Standard Time

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

WSST 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.
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