America/St_Johns is an IANA time zone used in Canada. It is on standard time now, UTC−3:30 (NST), until Sunday, March 14, 2027.
America/St_Johns at a glance
| UTC offset now | UTC−3:30 |
|---|---|
| Standard time | UTC−3:30 (NST) |
| Daylight saving time | UTC−2:30 (NDT) |
| Abbreviations | NST, NDT |
| Used in | Canada |
| Next clock change | Sunday, March 14, 2027 |
Rules of the America/St_Johns time zone
America/St_Johns switches between two offsets: UTC−3:30 (NST) for standard time and UTC−2:30 (NDT) for daylight saving time. Below are the last changes and the ones scheduled next.
Recent and upcoming changes in America/St_Johns
| Date | Change | New offset |
|---|---|---|
| Sunday, March 9, 2025 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−2:30 |
| Sunday, November 2, 2025 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−3:30 |
| Sunday, March 8, 2026 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−2:30 |
| Sunday, November 1, 2026 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−3:30 |
| Sunday, March 14, 2027 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−2:30 |
| Sunday, November 7, 2027 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−3:30 |
| Sunday, March 12, 2028 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−2:30 |
| Sunday, November 5, 2028 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−3:30 |
Where America/St_Johns is used
America/St_Johns is used in Canada. These are the largest cities in our list that follow it.
America/St_Johns compared with other time zones
Differences change during the year when one side moves to or from daylight saving time, so the table shows January and July separately.
| City | Time now | Difference now | In January | In July |
|---|---|---|---|---|
| New York (United States) | --:-- | 1 h 30 min behind | 1 h 30 min behind | 1 h 30 min behind |
| Los Angeles (United States) | --:-- | 4 h 30 min behind | 4 h 30 min behind | 4 h 30 min behind |
| London (United Kingdom) | --:-- | 3 h 30 min ahead | 3 h 30 min ahead | 3 h 30 min ahead |
| Paris (France) | --:-- | 4 h 30 min ahead | 4 h 30 min ahead | 4 h 30 min ahead |
| Dubai (United Arab Emirates) | --:-- | 7 h 30 min ahead | 7 h 30 min ahead | 6 h 30 min ahead |
| Mumbai (India) | --:-- | 9 h ahead | 9 h ahead | 8 h ahead |
| Singapore | --:-- | 11 h 30 min ahead | 11 h 30 min ahead | 10 h 30 min ahead |
| Tokyo (Japan) | --:-- | 12 h 30 min ahead | 12 h 30 min ahead | 11 h 30 min ahead |
| Sydney (Australia) | --:-- | 14 h 30 min ahead | 14 h 30 min ahead | 12 h 30 min ahead |
| UTC | --:-- | 3 h 30 min ahead | 3 h 30 min ahead | 2 h 30 min ahead |
Using America/St_Johns in software
Store and send the zone as its IANA name, America/St_Johns, not as a fixed offset. A fixed offset such as UTC−3:30 gives the wrong result after the next clock change.
Show the current time in America/St_Johns:
// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'America/St_Johns', timeStyle: 'long' }).format(new Date());
# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.now(ZoneInfo('America/St_Johns'))
// PHP
(new DateTime('now', new DateTimeZone('America/St_Johns')))->format('c');
# Shell
TZ=America/St_Johns date
Tools for time in America/St_Johns
- Convert a time to or from America/St_Johns: 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 America/St_Johns and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What is the UTC offset of America/St_Johns?
UTC−3:30 in standard time and UTC−2:30 during daylight saving time. Right now it is UTC−3:30.
When does America/St_Johns change clocks next?
The next change is on Sunday, March 14, 2027 at 2:00 AM local time. The change after that is on Sunday, November 7, 2027.
What abbreviation does America/St_Johns use?
NST in standard time and NDT during daylight saving time. Abbreviations are not unique, so use the zone name America/St_Johns in software.
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.