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CHAST to GILT Converter

CHAST
Chatham Island Standard Time
GMT +12:45
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GILT
Gilbert Island Time
GMT +12
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

CHAST is 45 minutes ahead of GILT. CHAST uses GMT +12:45, and GILT uses GMT +12 for this comparison.

For example, 1:30 pm CHAST is 12:45 pm GILT. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 9:45am-5pm CHAST, which is 9am-4:15pm GILT.

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

Time Difference

Chatham Island Standard Time is 0 hours and 45 minutes ahead of Gilbert Island Time
1:30 pm13:30 in CHAST is 12:45 pm12:45 in GILT

CHAST to GILT call time
Best time for a conference call or a meeting is between 9:45am-5pm in CHAST which corresponds to 9am-4:15pm in GILT

1:30 pm13:30 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours
12:45 pm12:45 Gilbert Island Time (GILT). Offset UTC +12:00 hours

1:30 pm13:30 CHAST / 12:45 pm12:45 GILT

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

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).

Start: Chatham Island Standard Time (CHAST) started on Sunday, April 5, 2026 at 3:45 am local time and clocks were set one hour back to Sunday, April 5, 2026, 2:45 am. Standard time starts annually on the first Sunday of April.

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

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.

Gilbert Island Time

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

Countries using this time zone: Kiribati

Principal Cities: The largest city in the GILT time zone is Tarawa in Kiribati, with about 40,311 people.

Daylight Saving: Clocks in Gilbert Island Time (GILT) do not change for daylight saving time, so GILT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

GILT Time Zone Geo Map
GILT timezone map

GILT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +12 - basic short
  • +1200 - basic
  • +12:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates an offset of twelve hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Mike - Military abbreviation for GILT
  • M - short form of 'Mike'
Time zones with the GMT +12 offset:
  • ANAST - Anadyr Summer Time
  • ANAT - Anadyr Time
  • FJT - Fiji Time
  • GILT - Gilbert Island Time
  • M - Mike Time Zone
  • MAGST - Magadan Summer Time
  • MHT - Marshall Islands Time
  • NRT - Nauru Time
  • NZST - New Zealand Standard Time
  • PETST - Kamchatka Summer Time
  • TVT - Tuvalu Time
  • WFT - Wallis and Futuna Time
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT