O to NDT Converter
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.Compare O time with NDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Oscar Time Zone is 1 hour and 30 minutes ahead of Newfoundland Standard Time
10:00 am10:00 in O is 8:30 am08:30 in NST
O to NST call time
Best time for a conference call or a meeting is between 10:30am-5pm in O which corresponds to 9am-3:30pm in NST
10:00 am10:00 Oscar Time Zone (O). Offset UTC -2:00 hours
8:30 am08:30 Newfoundland Standard Time (NST). Offset UTC -3:30 hours
10:00 am10:00 O / 8:30 am08:30 NST
| O | NST |
|---|---|
| 12am (midnight) | 10:30 pm |
| 1am | 11:30 pm |
| 2am | 12:30 am |
| 3am | 1:30 am |
| 4am | 2:30 am |
| 5am | 3:30 am |
| 6am | 4:30 am |
| 7am | 5:30 am |
| 8am | 6:30 am |
| 9am | 7:30 am |
| 10am | 8:30 am |
| 11am | 9:30 am |
| 12pm (noon) | 10:30 am |
| 1pm | 11:30 am |
| 2pm | 12:30 pm |
| 3pm | 1:30 pm |
| 4pm | 2:30 pm |
| 5pm | 3:30 pm |
| 6pm | 4:30 pm |
| 7pm | 5:30 pm |
| 8pm | 6:30 pm |
| 9pm | 7:30 pm |
| 10pm | 8:30 pm |
| 11pm | 9:30 pm |
| 00:00 | 22:30 |
| 01:00 | 23:30 |
| 02:00 | 00:30 |
| 03:00 | 01:30 |
| 04:00 | 02:30 |
| 05:00 | 03:30 |
| 06:00 | 04:30 |
| 07:00 | 05:30 |
| 08:00 | 06:30 |
| 09:00 | 07:30 |
| 10:00 | 08:30 |
| 11:00 | 09:30 |
| 12:00 | 10:30 |
| 13:00 | 11:30 |
| 14:00 | 12:30 |
| 15:00 | 13:30 |
| 16:00 | 14:30 |
| 17:00 | 15:30 |
| 18:00 | 16:30 |
| 19:00 | 17:30 |
| 20:00 | 18:30 |
| 21:00 | 19:30 |
| 22:00 | 20:30 |
| 23:00 | 21:30 |
Oscar Time Zone
Offset: O is 2 hours behind Greenwich Mean Time (GMT) and is used in Military
Daylight Saving: Clocks in Oscar Time Zone (O) do not change for daylight saving time, so O stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
O representations, usage and related time zones
- -02 - basic short
- -0200 - basic
- -02:00 - extended
- -0200 - sign character (-) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the west of the zero meridian.
- Oscar - Military abbreviation for O
- O - short form of 'Oscar'
- PMDT - Pierre & Miquelon Daylight Time
- WGT - West Greenland Time
- BRST - Brasilia Summer Time
- FNT - Fernando de Noronha Time
- O - Oscar Time Zone
- UYST - Uruguay Summer Time
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

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).
End: 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
Start: 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
- -0230 - basic
- -02:30 - extended
- -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.
- America/St_Johns
- Canada/Newfoundland
