Time knowledge engine
Global DST Dashboard
Learn where daylight saving time is used, why clock-change dates differ, and browse verified 2026 transitions by time zone.
2026 changes
97 clock transitions across the named zones in our city directory.
New York
US Eastern Time rules, current offset and 2026 changes.
London
Current London time, GMT/BST status and next change.
DST is a rule, not a fixed offset
Regions choose whether to move clocks seasonally. Start and end dates differ by country, and governments can change future rules. That is why this site calculates local time from named IANA zones instead of assuming a permanent abbreviation.