BST Time to CHAST Time Converter

GMT = UTC + 00:00

15:52:04

Wednesday, December 10, 2025

CHADT = UTC + 13:45

05:37:04

Thursday, December 11, 2025

GMT(Greenwich Mean Time) and CHADT(Chatham Island Daylight Time) Mapping Table
Greenwich Mean Time(GMT)Chatham Island Daylight Time(CHADT)
00:0013:45
01:0014:45
02:0015:45
03:0016:45
04:0017:45
05:0018:45
06:0019:45
07:0020:45
08:0021:45
09:0022:45
10:0023:45
11:0000:45+1 day
12:0001:45+1 day
13:0002:45+1 day
14:0003:45+1 day
15:0004:45+1 day
16:0005:45+1 day
17:0006:45+1 day
18:0007:45+1 day
19:0008:45+1 day
20:0009:45+1 day
21:0010:45+1 day
22:0011:45+1 day
23:0012:45+1 day

GMT(Greenwich Mean Time)

Greenwich Mean Time(GMT) has no offset from Coordinated Universal(UTC) Time.

Typical City of GMT (Greenwich Mean Time)

United Kingdom - London (Winter)
Iceland - Reykjavik (All Year)
Sierra Leone - Freetown (All Year)
Greenland - Danmarkshavn (All Year)
Antarctica - Troll Station (Summer)

CHADT(Chatham Island Daylight Time)

Chatham Island Daylight Time(CHADT) is 13:45 hours ahead of Coordinated Universal(UTC) Time.This timezone is a Daylight Saving Time timezone and is used in: PacificChatham Island Daylight Time is a half-hour time zone. Its local time differs by 45 minutes instead of the normal whole hour.

Typical City of CHADT (Chatham Island Daylight Time)

New Zealand - Chatham Islands (Summer)