See when the clocks change by city and year, including the time and whether they move forward or back.

How to use it

Select a city and year to see when its clocks move forward or back and how the time changes. Some time zones do not change their clocks. The rules apply to the selected city, rather than an entire country.

Good to know

Calculated from your browser’s IANA time zone rules. Future legislation can change these dates.

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Related tools

• World clock
• Time zone converter
• Online clock