Guelph time: UTC-5 and UTC-4
The next clock change in Guelph is 1 hour back on 1 November 2026 at 02:00, from UTC-4 to UTC-5.
Guelph on 15 October 2026: sunrise 07:35, sunset 18:37, day length 11 h 2 min.
Place| Fact | Value |
|---|
| Time zone | America/Toronto |
| Offset | UTC-4 |
| Region | Ontario |
| Latitude | 43.5459 |
| Longitude | -80.2560 |
| Population | 143,740 |
The next clock change in Guelph is 1 hour back on 1 November 2026 at 02:00, from UTC-4 to UTC-5.
Sun this year| Fact | Value |
|---|
| Longest day | 21 June 2026, 15 h 26 min |
| Shortest day | 21 December 2026, 8 h 56 min |
| Earliest sunrise | 05:39 on 15 June 2026 |
| Latest sunset | 21:06 on 26 June 2026 |
| Golden hour on the longest day | 21 June morning 05:39 to 06:23, evening 20:22 to 21:05 |
Next public holidays| Date | Holiday |
|---|
| 11 November 2026 | Remembrance Day |
| 25 December 2026 | Christmas Day |
| 26 December 2026 | Boxing Day |
Working hours overlap| City | 09:00 to 17:00 |
|---|
| London | Guelph 09:00 to 12:00; London 14:00 to 17:00 |
| New York | Guelph 09:00 to 17:00; New York 09:00 to 17:00 |