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NST/NDT
Newfoundland Standard Time
GMT -3:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
NDT is not used on this date
This converter uses NST (GMT -3:30), the offset St Johns uses on this date. Open the NST converter.
Canada
AST
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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How the time difference changes

For most of the year, NDT is 30 minutes ahead of Saint John. At other times of the year, NST is 30 minutes ahead of Saint John. Briefly around clock changes, NST is 30 minutes behind Saint John or NDT is 1 hour and 30 minutes ahead of Saint John.

For most of the year, working hours of 9:00 am to 5:00 pm in NDT correspond to 8:30 am to 4:30 pm in Saint John. At other times of the year, working hours of 9:00 am to 5:00 pm in NST correspond to 8:30 am to 4:30 pm in Saint John.

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

Time Difference

Newfoundland Standard Time is 0 hours and 30 minutes ahead of AST (Atlantic Standard Time)
8:30 am08:30 in NST is 8:00 am08:00 in Saint John, Canada

NST to Saint John call time
Best time for a conference call or a meeting is between 9:30am-5pm in NST which corresponds to 9am-4:30pm in Saint John

8:30 am08:30 Newfoundland Standard Time (NST). Offset UTC -3:30 hours
8:00 am08:00 AST (Atlantic Standard Time) (Saint John, Canada). Offset UTC -4:00 hours

8:30 am08:30 NST / 8:00 am08:00 Saint John, Canada

NSTSaint John, Canada
12am (midnight)11:30 pm
1am12:30 am
2am1:30 am
3am2:30 am
4am3:30 am
5am4:30 am
6am5:30 am
7am6:30 am
8am7:30 am
9am8:30 am
10am9:30 am
11am10:30 am
12pm (noon)11:30 am
1pm12:30 pm
2pm1:30 pm
3pm2:30 pm
4pm3:30 pm
5pm4:30 pm
6pm5:30 pm
7pm6:30 pm
8pm7:30 pm
9pm8:30 pm
10pm9:30 pm
11pm10:30 pm
00:0023:30
01:0000:30
02:0001:30
03:0002:30
04:0003:30
05:0004:30
06:0005:30
07:0006:30
08:0007:30
09:0008:30
10:0009:30
11:0010:30
12:0011:30
13:0012:30
14:0013:30
15:0014:30
16:0015:30
17:0016:30
18:0017:30
19:0018:30
20:0019:30
21:0020:30
22:0021:30
23:0022:30

Newfoundland Daylight Time

Offset: NDT is 2 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Canada

Principal Cities: The largest city in the NDT time zone is St Johns in Canada, with about 99,182 people. Other major cities in this time zone include Mount Pearl, Corner Brook, Conception Bay South.

French: HAT - Heure Avancée de Terre-Neuve

NDT Time Zone Geo Map
NDT timezone map

Daylight Saving: Newfoundland Daylight Time (NDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Newfoundland Standard Time (NST).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Newfoundland Daylight Time (NDT) ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November

Daylight saving time clock moves back for one hour from 2am to 1amStart: Newfoundland Daylight Time (NDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March

NDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -0230 - basic
  • -02:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0230 - sign character (-) followed by a four digit time providing hours (02) and minutes (30) of the offset. Indicates an offset of two hours and thirty minutes to the west of the zero meridian.
IANA/Olson: Reflects NDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/St_Johns
  • Canada/Newfoundland

Saint John Information

Time Zone

Abbreviation / Name
ADT - Atlantic Daylight Time
AST - Atlantic Standard Time
UTC / GMT Offset
-3:00 hours during Atlantic Daylight Time, currently in use.
-4:00 hours during Atlantic Standard 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 2am to 3amSunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 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, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Saint John Facts

Country
Canada
Alternative Names
Saint John, Saint-Jean, Sejnt Dzhon, Sent DZon, Sent-Dzhon, Urbs Sancti Ioannis Canadensis, YSJ, seinteujon, senta jona, sentcxhn, sentojon, sheng yue han, snt gwn, snt jan, Сейнт Джон, Сент Џон, Сент-Джон, סנט גון, سنت جان, سینٹ جان, سینٹ جان، نیو برنسوک, सेंट जॉन, เซนต์จอห์น, სენტ-ჯონი, セントジョン, セント・ジョン, 圣约翰, 세인트존
Population
87,857
Currency
Dollar (CAD)
Geographic Coordinates
45° 16' N Latitude / 66° 03' W Longitude
International Dialing Code
+1