TST
Tonga Standard Time
GMT +13
CHADT
Chatham Island Daylight Time
GMT +13:45

Time Difference

Tonga Standard Time is 0 hours and 45 minutes behind Chatham Island Daylight Time
9:00 pm21:00 in TST is 9:45 pm21:45 in CHADT

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

9:00 pm21:00 Tonga Standard Time (TST). Offset UTC +13:00 hours
9:45 pm21:45 Chatham Island Daylight Time (CHADT). Offset UTC +13:45 hours

9:00 pm21:00 TST / 9:45 pm21:45 CHADT

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

Tonga Standard Time

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

TST 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.
TST Abbreviation: Several time zones share TST abbreviation and it could refer to these time zones
  • Tonga Standard Time - UTC +13
  • Turkmenistan Standard Time - UTC +5
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 Daylight Time

Offset: CHADT is 13 hours and 45 minutes ahead Greenwich Mean Time (GMT) and is used in Pacific

CHADT Time Zone Geo Map
CHADT timezone map

CHADT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1345 - basic
  • +13:45 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1345 - sign character (+) followed by a four digit time providing hours (13) and minutes (45) of the offset. Indicates thirteen hour and forty-five minutes time differences to the east of the zero meridian.