St. John's Time
St. John's Time
St. John's uses Newfoundland Standard Time (NST, UTC−3:30) in winter and NDT (UTC−2:30) in summer — one of the few places with a half-hour offset. It is the capital of Newfoundland and Labrador and Canada's most easterly city.
Why people check St. John's time
Common reasons to track the current time in St. John's.
Offshore oil industry
Hibernia and other offshore platforms operate nearby; logistics teams track NST/NDT for crew rotations and supply-vessel windows.
Atlantic fisheries
The Grand Banks are among the world's richest fishing grounds; seafood exporters and buyers coordinate on NST/NDT.
Transatlantic stopover
St. John's Airport (YYT) is the closest North American city to Europe and a key refuelling point.
Maritime research
Memorial University's ocean-sciences programs attract international researchers who must align with NST/NDT schedules.
St. John's Time — FAQ
Why does St. John's have a half-hour offset?
Newfoundland Standard Time (UTC−3:30) dates to the 1880s and was preserved when Canada standardised time zones.
Does St. John's observe daylight saving time?
Yes — NDT (UTC−2:30) runs from the second Sunday in March to the first Sunday in November.
How far behind London is St. John's?
St. John's is 3.5 hours behind London in winter and 2.5 hours behind when London is on BST.
Related city clocks