Every clock change in every time zone
The complete record of the 312 zones in the IANA tz database, release 2026f: when each place left local mean time, every change of standard time, every season of daylight saving time, and the dates clocks change through 2028. Today 101 of the 312 zones still move their clocks during the year.
Changes of standard time in 2026
6 zones changed their standard time in 2026, the most in a single year since 2022.
312 zones, 1970 to 2028
One thin row per zone, grouped by today’s standard time from UTC+14 at the top to UTC−11 at the bottom. Amber marks a year with seasonal clock changes; blue and red tones mark years when the zone’s standard time differed from today’s.
- Seasonal clock changes that year
- Today’s standard time, no changes
- Standard time behind today’s
- Standard time ahead of today’s
Countries and territories by region
Europe
Albania, Andorra, Austria, Belarus, Belgium, Bulgaria, Czech Republic, Estonia, Finland, France, Germany, Gibraltar, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Malta, Moldova, Poland, Portugal, Romania, Russia, Serbia, Spain, Switzerland, Turkey, Ukraine, United Kingdom
Asia
Afghanistan, Armenia, Azerbaijan, Bangladesh, Bhutan, China, Cyprus, East Timor, Georgia, Hong Kong, India, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kyrgyzstan, Lebanon, Macau, Malaysia, Mongolia, Myanmar, Nepal, North Korea, Pakistan, Palestine, Philippines, Qatar, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Syria, Taiwan, Tajikistan, Thailand, Turkmenistan, United Arab Emirates, Uzbekistan, Vietnam
Africa
Algeria, Chad, Côte d’Ivoire, Egypt, Guinea-Bissau, Kenya, Liberia, Libya, Morocco, Mozambique, Namibia, Nigeria, South Africa, South Sudan, Spain, Sudan, São Tomé and Príncipe, Tunisia, Western Sahara
North and Central America
Barbados, Belize, Canada, Costa Rica, Cuba, Dominican Republic, El Salvador, Greenland, Guatemala, Haiti, Honduras, Jamaica, Martinique, Mexico, Nicaragua, Panama, Puerto Rico, Saint Pierre and Miquelon, Turks and Caicos Islands, United States
South America
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, Uruguay, Venezuela
Oceania and the Pacific
American Samoa, Australia, Chile, Cook Islands, Ecuador, Fiji, French Polynesia, Guam, Kiribati, Marshall Islands, Micronesia, Nauru, New Caledonia, New Zealand, Niue, Norfolk Island, Palau, Papua New Guinea, Pitcairn Islands, Samoa, Solomon Islands, Tokelau, Tonga, United States, Vanuatu
Lists and explainers
- Places that dropped daylight saving time144 zones, with the last year of each
- Half-hour and 45-minute offsets14 zones today, more in the past
- Every change of standard time since 1970459 changes, year by year
- Clock change dates for 2026 to 2028grouped by the rule each zone follows
- All UTC offsets in usewhich zones keep each one
- Explainersseven longer reads built on the same data