Do all countries observe DST in 2025?
No. DST is regional and policy-driven. Many countries keep a fixed offset year-round while others shift clocks seasonally in 2025.
Daylight Saving Time 2025
DST dates vary by country; select your country to review how seasonal clock changes may affect scheduling and conversions in 2025.
Popular countries
Countries that observe DST in 2025
Related links
Frequently asked questions
Why do DST dates differ by country in 2025?
Each jurisdiction sets its own DST policy and transition calendar. Start and end dates often differ across regions and hemispheres.
How do I avoid DST conversion mistakes?
Choose exact IANA time zones and the correct date in the Time Zone Converter, instead of relying on abbreviations alone.