Time difference: Guelph and London

London is 5 hours ahead of Guelph.

London is 5 hours ahead of Guelph. Guelph is UTC-4. London is UTC+1.

Guelph on 15 October 2026: sunrise 07:35, sunset 18:37, day length 11 h 2 min.

London on 15 October 2026: sunrise 07:24, sunset 18:07, day length 10 h 43 min.

For Guelph and London: The next clock change in Guelph is 1 hour back on 1 November 2026 at 02:00, from UTC-4 to UTC-5.

For London and Guelph: The next clock change in London is 1 hour back on 25 October 2026 at 02:00, from UTC+1 to UTC+0.

When the difference changes
Change
The gap changes on 25 October 2026 at 02:00, when clocks in London move back 1 hour.
The gap changes on 1 November 2026 at 02:00, when clocks in Guelph move back 1 hour.
The gap changes on 14 March 2027 at 02:00, when clocks in Guelph move forward 1 hour.
The gap changes on 28 March 2027 at 01:00, when clocks in London move forward 1 hour.
The gap changes on 31 October 2027 at 02:00, when clocks in London move back 1 hour.
Working hours from each side
View09:00 to 17:00
From GuelphGuelph 09:00 to 12:00; London 14:00 to 17:00
From LondonLondon 14:00 to 17:00; Guelph 09:00 to 12:00
Hours in Guelph and London. Shaded cells are 09:00 to 17:00. The stronger shade is when both are.
GuelphLondon
00:0005:00
01:0006:00
02:0007:00
03:0008:00
04:0009:00
05:0010:00
06:0011:00
07:0012:00
08:0013:00
09:0014:00
10:0015:00
11:0016:00
12:0017:00
13:0018:00
14:0019:00
15:0020:00
16:0021:00
17:0022:00
18:0023:00
19:0000:00 (next day)
20:0001:00 (next day)
21:0002:00 (next day)
22:0003:00 (next day)
23:0004:00 (next day)
Sun this year
CityLongest dayShortest day
Guelph with London21 June 2026, 15 h 26 min21 December 2026, 8 h 56 min
London with Guelph21 June 2026, 16 h 38 min21 December 2026, 7 h 50 min
Next public holidays
CityDateHoliday
Guelph and London11 November 2026Remembrance Day
Guelph and London25 December 2026Christmas Day
London and Guelph25 December 2026Christmas Day
London and Guelph26 December 2026Boxing Day