United Kingdom
GMT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Antigua and Barbuda
AST
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Compare Hatfield time with Saint John’s time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

GMT (Greenwich Mean Time) is 4 hours ahead of AST (Atlantic Standard Time)
12:00 pm12:00 in Hatfield, United Kingdom is 8:00 am08:00 in Saint John’s, Antigua and Barbuda

Hatfield to Saint John’s call time
Best time for a conference call or a meeting is between 1pm-5pm in Hatfield which corresponds to 9am-1pm in Saint John’s

12:00 pm12:00 GMT (Greenwich Mean Time) (Hatfield, United Kingdom). Offset UTC 0:00 hours
8:00 am08:00 AST (Atlantic Standard Time) (Saint John’s, Antigua and Barbuda). Offset UTC -4:00 hours

12:00 pm12:00 Hatfield, United Kingdom / 8:00 am08:00 Saint John’s, Antigua and Barbuda

Hatfield, United KingdomSaint John’s, Antigua and Barbuda
12am (midnight)8pm
1am9pm
2am10pm
3am11pm
4am12am (midnight)
5am1am
6am2am
7am3am
8am4am
9am5am
10am6am
11am7am
12pm (noon)8am
1pm9am
2pm10am
3pm11am
4pm12pm (noon)
5pm1pm
6pm2pm
7pm3pm
8pm4pm
9pm5pm
10pm6pm
11pm7pm
00:0020:00
01:0021:00
02:0022:00
03:0023:00
04:0000:00
05:0001:00
06:0002:00
07:0003:00
08:0004:00
09:0005:00
10:0006:00
11:0007:00
12:0008:00
13:0009:00
14:0010:00
15:0011:00
16:0012:00
17:0013:00
18:0014:00
19:0015:00
20:0016:00
21:0017:00
22:0018:00
23:0019:00

Hatfield Information

Time Zone

Abbreviation / Name
BST - British Summer Time
GMT - Greenwich Mean Time
UTC / GMT Offset
+1:00 hours during British Summer Time, currently in use.
+0:00 hours during Greenwich Mean Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 1am to 2amSunday, March 29, 2026 at 1:00 am local time. DST starts annually on the last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 29, 2026 at 2:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 2am to 1amSunday, October 25, 2026 at 2:00 am local time. DST ends annually on the last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 25, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Hatfield Facts

Country
United Kingdom
Alternative Names
Bishops Hatfield, Hatfeldia, Hatfield, Hatfield i Hertfordshire, Khatfild, ha te fei er de, hatfyld hrtfwrdshr, Хатфилд, هاتفیلد، هرتفوردشر, 哈特菲尔德
Population
41,677
Currency
Pound (GBP)
Geographic Coordinates
51° 45' N Latitude / 0° 13' W Longitude
International Dialing Code
+44

Saint John’s Information

Time Zone

Abbreviation / Name
AST - Atlantic Standard Time
UTC / GMT Offset
-4:00 hours during Atlantic Standard Time, currently in use.

Saint John’s Facts

Country
Antigua and Barbuda
Population
24,226
Currency
Dollar (XCD)