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TKT to CHAST Converter

Updating current time…
TKT
Tokelau Time
GMT +13
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CHADT/CHAST
Chatham Island Daylight Time
GMT +13:45
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Chatham Island is on daylight saving time: CHADT (UTC+13:45) until Sun, Apr 4, 2027.
Use CHAST all year (UTC+12:45)

Quick answers

Selected conversion

1:00 am01:00 TKT (UTC+13), Oct 10, 2026 = 1:45 am01:45 CHADT (UTC+13:45), Oct 10, 2026

TKT is 45 minutes behind CHADT.

TKT and CHAST examples

These examples always use TKT (UTC+13) and CHAST (UTC+12:45). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

TKT is 15 minutes ahead of CHAST.

How the time difference changes

Depending on seasonal clock changes, TKT is 15 minutes ahead of CHAST or TKT is 45 minutes behind CHADT.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in TKT correspond to 8:45 am to 4:45 pm in CHAST or working hours of 9:00 am to 5:00 pm in TKT correspond to 9:45 am to 5:45 pm in CHADT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in TKT correspond to 08:45 to 16:45 in CHAST or working hours of 09:00 to 17:00 in TKT correspond to 09:45 to 17:45 in CHADT.

Compare TKT time with CHAST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Tokelau Time is 45 minutes behind Chatham Island Daylight Time.
1:00 am01:00 in TKT is 1:45 am01:45 in CHADT

TKT to CHADT call time
Best time for a conference call or a meeting is between 9am-4:15pm09:00-16:15 in TKT which corresponds to 9:45am-5pm09:45-17:00 in CHADT

1:00 am01:00 Tokelau Time (TKT). Offset UTC +13:00 hours
1:45 am01:45 Chatham Island Daylight Time (CHADT). Offset UTC +13:45 hours

1:00 am01:00 TKT / 1:45 am01:45 CHADT

TKTCHADT
12:00am12:45am
1:00am1:45am
2:00am2:45am
3:00am3:45am
4:00am4:45am
5:00am5:45am
6:00am6:45am
7:00am7:45am
8:00am8:45am
9:00am9:45am
10:00am10:45am
11:00am11:45am
12:00pm12:45pm
1:00pm1:45pm
2:00pm2:45pm
3:00pm3:45pm
4:00pm4:45pm
5:00pm5:45pm
6:00pm6:45pm
7:00pm7:45pm
8:00pm8:45pm
9:00pm9:45pm
10:00pm10:45pm
11:00pm11:45pm
00:0000:45
01:0001:45
02:0002:45
03:0003:45
04:0004:45
05:0005:45
06:0006:45
07:0007:45
08:0008:45
09:0009:45
10:0010:45
11:0011:45
12:0012:45
13:0013:45
14:0014:45
15:0015:45
16:0016:45
17:0017:45
18:0018:45
19:0019:45
20:0020:45
21:0021:45
22:0022:45
23:0023:45

Tokelau Time

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

Countries using this time zone: Tokelau

Daylight Saving: Clocks in Tokelau Time (TKT) do not change for daylight saving time, so TKT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

TKT Time Zone Geo Map
TKT timezone map

TKT 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 an offset of thirteen hours 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

Chatham Island Standard Time

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

Countries using this time zone: New Zealand

CHAST Time Zone Geo Map
CHAST timezone map

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Chatham Island Daylight Time (CHADT).

End: Chatham Island Standard Time (CHAST) ended on Sunday, September 27, 2026 at 2:45 am02:45 local time and clocks were set one hour forward to Sunday, September 27, 2026, 3:45 am03:45 local daylight time instead. Standard time ends annually on the last Sunday of September.

Start: Chatham Island Standard Time (CHAST) starts on Sunday, April 4, 2027 at 3:45 am03:45 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:45 am02:45. Standard time starts annually on the first Sunday of April.

See upcoming clock changes worldwide.

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 an offset of twelve hours and forty-five minutes to the east of the zero meridian.
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT