DST (Daylight Saving)
Calculate DST (Daylight Saving) instantly with the exact formula and a worked example.
DST (Daylight Saving)
Year of the clock change
Region (1 = European Union, 2 = USA and Canada)
Days of daylight saving time in the year
210days
Start of DST (+1 h)
2026-03-29 01:00 UTC
Return to standard time (−1 h)
2026-10-25 01:00 UTC
More about: DST (Daylight Saving)
What it calculates
The “DST (Daylight Saving)” calculator computes Days of daylight saving time in the year in days from 2 parameters: year of the clock change, region (1 = european union, 2 = usa and canada).
Works out dates, durations, and time differences.
Example calculation
With parameters Year of the clock change = 2,026, Region (1 = European Union, 2 = USA and Canada) = 1 the result is 210 days (Directive 2000/84/EC: clocks change on the last Sunday of March and the last Sunday of October at 01:00 UTC (simultaneously across the EU)).
How to use
- Enter year of the clock change and region (1 = european union, 2 = usa and canada) — each field above is adjustable with a slider.
- Days of daylight saving time in the year (days) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is DST (Daylight Saving) calculated?
The DST (Daylight Saving) calculator computes Days of daylight saving time in the year (in days) from year of the clock change, region (1 = european union, 2 = usa and canada). Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the DST (Daylight Saving) calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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