Hamilton is on standard time, UTC−5 (EST). On Sunday, March 14, 2027, clocks go forward 1 hour to UTC−4.
Hamilton and your time
Hamilton at a glance
| Country | Canada |
|---|---|
| Region | Ontario |
| Time zone | America/Toronto |
| Abbreviation now | EST |
| UTC offset now | UTC−5 |
| Daylight saving time | Starts Mar 14, 2027 |
| Next clock change | Sunday, March 14, 2027 |
| Coordinates | 43.25° N, 79.85° W |
Hamilton time zone and clock changes
The America/Toronto rules put Hamilton on standard time (UTC−5 (EST)) since Sunday, November 1, 2026. After the change, daylight saving time runs until Sunday, November 7, 2027.
Although Canada has 5 different offsets, Hamilton keeps the same time as Ottawa.
Clock changes in Hamilton, 2026 and 2027
| Date | Change | New offset |
|---|---|---|
| Sunday, March 8, 2026 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−4 |
| Sunday, November 1, 2026 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−5 |
| Sunday, March 14, 2027 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−4 |
| Sunday, November 7, 2027 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−5 |
Time difference between Hamilton and other cities
When it is 9:00 AM in Hamilton, it is 2:00 PM in London, 1:00 AM (next day) in Sydney and 6:00 AM in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | Same time | Same time | Same time | 8 h |
| Los Angeles (United States) | --:-- | 3 h behind | 3 h behind | 3 h behind | 5 h |
| London (United Kingdom) | --:-- | 5 h ahead | 5 h ahead | 5 h ahead | 3 h |
| Paris (France) | --:-- | 6 h ahead | 6 h ahead | 6 h ahead | 2 h |
| Dubai (United Arab Emirates) | --:-- | 9 h ahead | 9 h ahead | 8 h ahead | None |
| Mumbai (India) | --:-- | 10 h 30 min ahead | 10 h 30 min ahead | 9 h 30 min ahead | None |
| Singapore | --:-- | 13 h ahead | 13 h ahead | 12 h ahead | None |
| Tokyo (Japan) | --:-- | 14 h ahead | 14 h ahead | 13 h ahead | None |
| Sydney (Australia) | --:-- | 16 h ahead | 16 h ahead | 14 h ahead | None |
| UTC | --:-- | 5 h ahead | 5 h ahead | 4 h ahead | 3 h |
Some gaps change during the year because Hamilton and the other city change clocks on different dates, or only one of them changes at all. The January and July columns show both versions.
Shared office hours is the part of a 9 AM to 5 PM local working day that both cities have in common. Weekends are not taken into account.
Sunrise, sunset and day length in Hamilton
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
The earliest sunrise in Hamilton is at 5:39 AM on June 14, and the latest sunset at 9:04 PM on June 26.
Daylight through the year in Hamilton
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 7:22 AM | 7:32 PM | 12 h 9 min |
| June solstice | June 21 | 5:39 AM | 9:03 PM | 15 h 24 min |
| September equinox | September 22 | 7:07 AM | 7:17 PM | 12 h 10 min |
| December solstice | December 21 | 7:48 AM | 4:47 PM | 8 h 59 min |
Daylight saving time moves sunrise and sunset 1 hour later by the clock in summer, which is why the latest sunsets fall in the daylight saving months.
When the sun is highest in Hamilton
Hamilton lies close to the centre of its time zone, so the sun is highest at about 12:20 PM on standard time and 1:20 PM during daylight saving time, close to clock noon.
Places close to Hamilton
Every city below shares Hamilton’s clock.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Burlington | 15 km (9 mi) | --:-- | Same time |
| Oakville | 26 km (16 mi) | --:-- | Same time |
| Milton | 30 km (19 mi) | --:-- | Same time |
| Brantford | 36 km (22 mi) | --:-- | Same time |
| Cambridge | 39 km (24 mi) | --:-- | Same time |
| Mississauga | 40 km (25 mi) | --:-- | Same time |
| Guelph | 46 km (29 mi) | --:-- | Same time |
| Brampton | 49 km (30 mi) | --:-- | Same time |
Same time now, different rules
These places read the same time as Hamilton today but follow different rules, so they can drift apart when clocks change.
More cities in Canada
All time zones and cities in Canada
Plan around the time in Hamilton
- Convert a time to or from Hamilton: pick a date and time and see it in every city on your list.
- Add Hamilton to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Hamilton and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Hamilton in?
Hamilton uses the America/Toronto time zone: UTC−5 (EST) in standard time and UTC−4 (EDT) during daylight saving time.
When do the clocks change in Hamilton?
The next change is on Sunday, March 14, 2027 at 2:00 AM, when clocks go forward 1 hour to UTC−4. They go back again on Sunday, November 7, 2027.
What is the time difference between Hamilton and London?
Hamilton is 5 hours behind London for most of the year. From March 14 to March 27 and October 30 to November 7, the gap is 4 hours, because Hamilton and London change their clocks on different dates.
Is Hamilton on the same time as Ottawa?
Yes. Hamilton and Ottawa both use UTC−5 right now.
How long is the longest day in Hamilton?
About 15 hours 24 minutes, around the June solstice. The shortest day, around the December solstice, has about 8 hours 59 minutes of daylight.
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.