NST (Newfoundland Standard Time) is UTC−3:30. It is the standard time of St. John's, which switch to NDT for daylight saving time.
Where and when NST is used
| IANA time zone | Uses NST | Main cities |
|---|---|---|
| America/St_Johns | Outside daylight saving time | St. John's |
NST and NDT
NDT is the daylight saving version of NST, 1 hour ahead of it. Writing NST in summer means a time that is 1 hour off for the places that have switched.
Convert NST to other time zones
Because NST always means UTC−3:30, each row below is a fixed difference. Check the date only to know whether a place is on NST at all.
| Zone | UTC offset | When it is 12:00 NST |
|---|---|---|
| UTC | UTC+0 | 3:30 PM |
| GMT | UTC+0 | 3:30 PM |
| EST | UTC−5 | 10:30 AM |
| EDT | UTC−4 | 11:30 AM |
| CST | UTC−6 | 9:30 AM |
| MST | UTC−7 | 8:30 AM |
| PST | UTC−8 | 7:30 AM |
| CET | UTC+1 | 4:30 PM |
| CEST | UTC+2 | 5:30 PM |
| EET | UTC+2 | 5:30 PM |
| MSK | UTC+3 | 6:30 PM |
| GST | UTC+4 | 7:30 PM |
| IST | UTC+5:30 | 9:00 PM |
| ICT | UTC+7 | 10:30 PM |
| JST | UTC+9 | 12:30 AM (next day) |
| AEST | UTC+10 | 1:30 AM (next day) |
| AEDT | UTC+11 | 2:30 AM (next day) |
Plan around the time in NST
- Convert a time to or from NST: pick a date and time and see it in every city on your list.
- Add St. John's to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in NST and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What is NST in UTC?
NST is UTC−3:30. To get UTC, add 3 hours 30 minutes to NST time.
Is it NST or NDT right now?
NST is in use now in St. John's. NDT returns on Sunday, March 14, 2027.
What time is 12:00 NST in UTC?
12:00 NST is 3:30 PM UTC.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.