Updating current time…
CanadaEDT
UTC−4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Guelph's clocks go back 1 hour on Sun, Nov 1 · EDT → EST
BST
UTC+1
5h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
UTC
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

8:00 am08:00 EDT (UTC-4), Oct 19, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 19, 2026 = 12:00 pm12:00 UTC (UTC+0), Oct 19, 2026

Guelph is 5 hours behind BST. Guelph is 4 hours behind UTC.

How the time difference changes

Guelph to BST

For most of the year, Guelph is 5 hours behind BST. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, Guelph is 4 hours behind GMT. From Nov 1, 2026 to Mar 14, 2027, Guelph is 5 hours behind GMT.

For most of the year, working hours of 9:00 am to 6:00 pm in Guelph correspond to 2:00 pm to 11:00 pm in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in Guelph correspond to 2:00 pm to 11:00 pm in GMT or working hours of 9:00 am to 6:00 pm in Guelph correspond to 1:00 pm to 10:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in Guelph correspond to 14:00 to 23:00 in BST. At other times of the year, working hours of 09:00 to 18:00 in Guelph correspond to 14:00 to 23:00 in GMT or working hours of 09:00 to 18:00 in Guelph correspond to 13:00 to 22:00 in GMT.

Guelph to UTC

For most of the year, Guelph is 4 hours behind UTC. From Nov 1, 2026 to Mar 14, 2027, Guelph is 5 hours behind UTC.

For most of the year, working hours of 9:00 am to 6:00 pm in Guelph correspond to 1:00 pm to 10:00 pm in UTC. At other times of the year, working hours of 9:00 am to 6:00 pm in Guelph correspond to 2:00 pm to 11:00 pm in UTC.For most of the year, working hours of 09:00 to 18:00 in Guelph correspond to 13:00 to 22:00 in UTC. At other times of the year, working hours of 09:00 to 18:00 in Guelph correspond to 14:00 to 23:00 in UTC.

Compare Guelph time with BST and UTC time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

EDT (Eastern Daylight Time) is 5 hours behind British Summer Time. EDT (Eastern Daylight Time) is 4 hours behind Coordinated Universal Time.
8:00 am08:00 in Guelph, Canada is 1:00 pm13:00 in BST and is 12:00 pm12:00 in UTC

Guelph to BST call time
Best time for a conference call or a meeting is between 9am-1pm09:00-13:00 in Guelph which corresponds to 2pm-6pm14:00-18:00 in BST
Guelph to UTC call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in Guelph which corresponds to 1pm-6pm13:00-18:00 in UTC

8:00 am08:00 EDT (Eastern Daylight Time) (Guelph, Canada). Offset UTC -4:00 hours
1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
12:00 pm12:00 Coordinated Universal Time (UTC). Offset UTC 0:00 hours

8:00 am08:00 Guelph, Canada / 1:00 pm13:00 BST / 12:00 pm12:00 UTC

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Guelph, CanadaBSTUTC
5:00am4:00am
6:00am5:00am
7:00am6:00am
8:00am7:00am
9:00am8:00am
10:00am9:00am
11:00am10:00am
12:00pm11:00am
1:00pm12:00pm
2:00pm1:00pm
3:00pm2:00pm
4:00pm3:00pm
5:00pm4:00pm
6:00pm5:00pm
7:00pm6:00pm
8:00pm7:00pm
9:00pm8:00pm
10:00pm9:00pm
11:00pm10:00pm
12:00am next day11:00pm
1:00am next day12:00am next day
2:00am next day1:00am next day
3:00am next day2:00am next day
4:00am next day3:00am next day
05:0004:00
06:0005:00
07:0006:00
08:0007:00
09:0008:00
10:0009:00
11:0010:00
12:0011:00
13:0012:00
14:0013:00
15:0014:00
16:0015:00
17:0016:00
18:0017:00
19:0018:00
20:0019:00
21:0020:00
22:0021:00
23:0022:00
00:00 next day23:00
01:00 next day00:00 next day
02:00 next day01:00 next day
03:00 next day02:00 next day
04:00 next day03:00 next day

Guelph Time Zone and Facts

Time Zone

Abbreviation / Offset
EDT – Eastern Daylight Time, UTC-4 (now, daylight saving time)
EST – Eastern Standard Time, UTC-5 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (EST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (EDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.

Guelph Facts

Country
Canada
Alternative Names
Guehlf, Guelfas, Guelph, Gvelf, The Royal City, XIA, gerufu, ghwylf, gui hu, gwelpeu, gwlf, gwylf, gywlf, Гвелф, Гуэлф, غويلف, گولف, گویلف, گیولف, ゲルフ, 貴湖, 궬프
Population
143,740
Currency
Dollar (CAD)
Geographic Coordinates
43° 32' N Latitude / 80° 15' W Longitude
International Dialing Code
+1

British Summer Time

Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom

Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.

Current time in the United Kingdom: UK time now

Map of the areas on British Summer Time (BST)
BST part of the year

Today all shaded areas are on BST.

Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).

123456789101112Start: British Summer Time (BST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.

123456789101112End: British Summer Time (BST) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See United Kingdom daylight saving time and upcoming clock changes worldwide.

BST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for BST
  • A - short form of 'Alpha'
IANA/Olson: Reflects BST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Europe/Belfast
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
BST Abbreviation: Several time zones share BST abbreviation and it could refer to these time zones
  • British Summer Time - UTC +1
  • Bangladesh Standard Time - UTC +6
  • Bougainville Standard Time - UTC +11
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

Coordinated Universal Time

Offset: UTC is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Burkina Faso, Faroe Islands, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Portugal, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Spain, Togo, United Kingdom, Western Sahara

Principal Cities: The largest city in the UTC time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.

Map of the areas on Coordinated Universal Time (UTC)
UTC all year UTC part of the year

Today some of the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time, WEST).

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone