World Time Zone Map Ontario Area Codes 437
437 is an area code located in the province of Ontario, CA. The largest city it serves is Toronto.
|Standard time:||UTC/GMT -5:00 hours|
|Daylight saving time:||+1:00 hour|
|Current time zone offset:||UTC/GMT -4:00 hours|
|Time zone abbreviation:||EDT|
DST starts on Sunday 12 March 2023, 02:00
DST ends on Sunday 05 November 2023, 02:00
The 437 area code lies within the Eastern Time (ET)EST - Eastern Standard Time
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