🌍 Complete Global Reference Guide

Daylight Saving Time Dates
by Country

The world's most comprehensive reference for DST start & end dates, country-by-country rules, hemisphere comparisons, and everything you need to stay synchronized across time zones.

🕐 Regularly Updated 🌐 195+ Countries Covered ✈️ Essential for Global Travelers 📊 With Maps & Visual Guides

What Is Daylight Saving Time?

Daylight Saving Time (DST) — also spelled Daylight Savings Time — is the practice of advancing clocks by one hour during the warmer months so that darkness falls later in the evening, and setting them back one hour in autumn to return to standard time.

The phrase "spring forward, fall back" summarizes the practice: clocks are moved forward in spring (losing one hour of morning light, gaining an evening hour) and moved back in autumn (gaining one hour of sleep, losing an evening hour).

DST is observed by approximately 70 countries — about 40% of the world's nations — while the majority of countries, particularly near the equator where day length varies little, do not observe it at all.

Key Fact: DST does not create extra daylight. It simply shifts the clock so daylight hours occur later in the day, aligning more closely with people's waking hours.
~70
Countries
Currently use DST
~125
Countries
Do NOT observe DST
1
Hour
Standard clock shift
1916
Year
First national adoption (Germany)

How Clocks Change Through the Year (Northern Hemisphere Example)

Jan–Feb
Standard
Mar ▶
Apr · May · Jun · Jul · Aug
DST Active
◀ Nov
Nov · Dec
Standard
Standard Time (UTC offset)
DST Active (+1 hour)
No DST (tropics / equatorial)

Daylight Saving Time Dates by Country

The table below covers the major DST-observing nations and their transition dates. Times shown are local time. Where exact dates are fixed by law as a calendar rule (e.g. "second Sunday of March"), those rules are applied. Countries marked No DST maintain a constant UTC offset.

Country / TerritoryStandard UTC OffsetDST UTC OffsetDST Starts (Current Rule)DST Ends (Current Rule)RuleDST
🌎 North America
🇺🇸 United States (most states)UTC−5 to UTC−8UTC−4 to UTC−72nd Sunday in March at 2:00 AM1st Sunday in November at 2:00 AM2nd Sun March / 1st Sun NovYes
🇺🇸 Arizona (USA, except Navajo Nation)UTC−7UTC−7No DST observedNo DST
🇺🇸 Hawaii (USA)UTC−10UTC−10No DST observedNo DST
🇨🇦 Canada (most provinces)UTC−3.5 to UTC−8UTC−2.5 to UTC−72nd Sunday in March at 2:00 AM1st Sunday in November at 2:00 AMSame as USA (federal rule). 🆕 British Columbia permanently on UTC−7 from Mar 8, 2026 — no fall-back in Nov 2026.Yes
🇨🇦 Saskatchewan (Canada)UTC−6UTC−6No DST observedNo DST
🇲🇽 Mexico (most states)UTC−5 to UTC−7UTC−4 to UTC−6Abolished nationwide Apr 2023DST abolished 2023No DST
🌍 Europe
🇬🇧 United KingdomUTC+0 (GMT)UTC+1 (BST)Last Sunday in March at 1:00 AMLast Sunday in October at 2:00 AMLast Sun March / Last Sun OctYes
🇩🇪 GermanyUTC+1 (CET)UTC+2 (CEST)Last Sunday in March at 2:00 AMLast Sunday in October at 3:00 AMEU Directive: Last Sun March/OctYes
🇫🇷 FranceUTC+1 (CET)UTC+2 (CEST)Last Sunday in March at 2:00 AMLast Sunday in October at 3:00 AMEU DirectiveYes
🇮🇹 ItalyUTC+1 (CET)UTC+2 (CEST)Last Sunday in March at 2:00 AMLast Sunday in October at 3:00 AMEU DirectiveYes
🇪🇸 SpainUTC+1 (CET)UTC+2 (CEST)Last Sunday in March at 2:00 AMLast Sunday in October at 3:00 AMEU DirectiveYes
🇵🇱 PolandUTC+1 (CET)UTC+2 (CEST)Last Sunday in March at 2:00 AMLast Sunday in October at 3:00 AMEU DirectiveYes
🇬🇷 GreeceUTC+2 (EET)UTC+3 (EEST)Last Sunday in March at 3:00 AMLast Sunday in October at 4:00 AMEU DirectiveYes
🇷🇺 RussiaUTC+2 to UTC+12Abolished DST in 2014No DST
🇹🇷 TurkeyUTC+3Abolished DST in 2016No DST
🇮🇸 IcelandUTC+0 (GMT)No DST observedNo DST
🌎 South America
🇧🇷 BrazilUTC−3Abolished DST in 2019No DST
🇨🇱 Chile (mainland)UTC−4 (CLST standard)UTC−3 (CLST summer)Sun after 1st Sat of September at midnightSun after 1st Sat of April at midnightSun after 1st Sat Sep (start) / Sun after 1st Sat Apr (end). Easter Island: UTC−6/−5.Yes
🇵🇾 ParaguayUTC−3 (permanent)DST abolished Oct 2024 (permanent UTC−3)No DST
🌏 Oceania / Pacific
🇦🇺 Australia (NSW, ACT, Vic, Tas)UTC+10 (AEST)UTC+11 (AEDT)1st Sunday in October at 2:00 AM1st Sunday in April at 3:00 AM1st Sun Oct / 1st Sun AprYes
🇦🇺 Australia — South Australia (+ Broken Hill)UTC+9:30 (ACST)UTC+10:30 (ACDT)1st Sunday in October at 2:00 AM1st Sunday in April at 3:00 AMSame dates as eastern states, different offset (half-hour zone)Yes
🇦🇺 Queensland (Australia)UTC+10No DST observedNo DST
🇳🇿 New ZealandUTC+12UTC+13Last Sunday in September at 2:00 AM1st Sunday in April at 3:00 AMLast Sun Sep / 1st Sun AprYes
🌍 Middle East & North Africa
🇮🇱 IsraelUTC+2 (IST)UTC+3 (IDT)Friday before last Sunday in March at 2:00 AM (springs forward on a Friday)Last Sunday in October at 2:00 AMFri before last Sun Mar / Last Sun Oct (Time Determination Law 2013)Yes
🇲🇦 MoroccoUTC+1 (WET+1, permanent)UTC+0 during RamadanSunday after Ramadan ends at 2:00 AM (→ UTC+1)Sunday before Ramadan at 3:00 AM (→ UTC+0)Permanent UTC+1 except Ramadan (reverts to GMT)Ramadan
🇮🇷 IranUTC+3:30 (IRST)DST abolished Sep 2022 (permanent IRST)No DST
🇯🇴 JordanUTC+3 (AST, permanent)DST abolished Oct 2022 (permanent UTC+3)No DST
🇸🇦 Saudi ArabiaUTC+3No DST observedNo DST
🇦🇪 UAEUTC+4No DST observedNo DST
🌏 Asia
🇨🇳 ChinaUTC+8No DST (unified time zone since 1991)No DST
🇯🇵 JapanUTC+9No DST observedNo DST
🇮🇳 IndiaUTC+5:30No DST observedNo DST

Northern vs. Southern Hemisphere DST

One of the most common sources of confusion: the Southern Hemisphere observes DST at the opposite time of year. When the US and Europe "spring forward" in March, Australia and New Zealand are heading into autumn and ending their DST period.

🌍 Northern Hemisphere — Current DST Rules
🇺🇸 USA / Canada2nd Sun Mar → 1st Sun Nov
🇬🇧 UKLast Sun Mar → Last Sun Oct
🇩🇪🇫🇷🇪🇸 Central EuropeLast Sun Mar → Last Sun Oct
🇬🇷 Eastern EuropeLast Sun Mar → Last Sun Oct
🇮🇱 IsraelFri before last Sun Mar → Last Sun Oct
🇮🇷 Iran / 🇯🇴 JordanNo DST (abolished 2022)
🌏 Southern Hemisphere — Current DST Rules
🇦🇺 Australia (SE states)1st Sun Oct → 1st Sun Apr
🇳🇿 New ZealandLast Sun Sep → 1st Sun Apr
🇨🇱 ChileSun after 1st Sat Sep → Sun after 1st Sat Apr
🇵🇾 ParaguayNo DST (abolished Oct 2024)
🇿🇦 South AfricaNo DST observed
🇧🇷 BrazilNo DST (abolished 2019)
Practical Impact: In October, when the EU ends DST, Australia is starting it — meaning the time difference between Sydney and London can swing by 2 hours within the space of two weeks. Always use a Time Zone Converter during transition periods.

DST Observance by World Region

Not all regions treat Daylight Saving Time the same way. Here's a continent-by-continent summary of where, when, and why DST is — or isn't — observed.

🌍 Europe
Status: Widely observed — all EU member states
Rule: Last Sunday in March (start) → Last Sunday in October (end) — synchronized by EU Directive 2000/84/EC
Notable: The EU voted to abolish DST in 2019, but the measure has been indefinitely stalled in the European Parliament. Currently, all EU nations still observe it.
Exceptions: Iceland (no DST), Russia (abolished 2014), Turkey (abolished 2016), Belarus (abolished 2011)
🌎 North America
Status: USA and most of Canada observe DST
Rule: 2nd Sunday March → 1st Sunday November (USA/Canada)
🆕 Breaking (March 2026): British Columbia (Canada) sprung forward on March 8, 2026 for the last time ever, adopting permanent UTC−7 ("Pacific Time"). The fall-back in November 2026 will not occur in BC.
Exceptions: Arizona, Hawaii, Puerto Rico, Guam, US Virgin Islands (no DST); Saskatchewan & Yukon, Canada (no DST); Mexico (abolished 2023)
🌏 Asia
Status: Mostly no DST
Rule: Most of Asia has never adopted, or has long since abandoned, DST
Notable: China, Japan, India, South Korea, Singapore, Thailand — all fixed offsets year-round
Exceptions: Israel (UTC+2/+3) still observes DST. Iran and Jordan both abolished DST in 2022. Mongolia observes a form of DST.
🌍 Middle East & North Africa
Status: Mostly no DST
Notable abolitions: Iran abolished DST in September 2022 (now permanent UTC+3:30). Jordan abolished DST in October 2022 (now permanent UTC+3). Iraq abolished it in 2008.
Still observing: Israel (UTC+2/+3), Morocco (adjusts for Ramadan, not seasonal DST)
Never observed: Saudi Arabia, UAE, Qatar, Kuwait, Bahrain — all fixed offsets year-round.
🌍 Sub-Saharan Africa
Status: Almost no country observes DST
Rule: Africa's proximity to the equator means day length varies little through the year — no practical need for DST
Notable: Egypt maintained DST until 2011. Namibia recently switched to permanent UTC+2 year-round. Most sub-Saharan nations have never adopted DST.
🌏 Oceania / Pacific
Status: Split — southern states observe, tropical territories don't
DST observing: NSW, ACT, Victoria, Tasmania (→ UTC+11), South Australia & Broken Hill (→ UTC+10:30), and New Zealand (→ UTC+13)
No DST: Queensland, Western Australia, Northern Territory
Notable: Lord Howe Island (NSW) uses a unique 30-min DST shift (UTC+10:30/+11). Fiji abolished DST in 2022. Samoa and Tonga do not observe DST.
🌎 South America
Status: Declining — major countries have abolished DST
Rule: Chile still observes Southern Hemisphere DST (roughly Sep–Apr)
Notable: Brazil abolished DST in 2019. Paraguay abolished DST in October 2024, adopting permanent UTC−3. Argentina has used fixed UTC−3 since 2000. Colombia, Peru, Ecuador — no DST. Venezuela uses UTC−4 year-round.

⏰ Key Facts About DST Transitions

2️⃣ 2:00 AM Standard transition time in USA, UK & most of Europe (clocks spring to 3:00 AM or fall to 1:00 AM)
🔄 Lost Hour In spring, one hour is "lost" — clocks jump from 2:00 AM directly to 3:00 AM
💤 Extra Hour In autumn, one hour is "gained" — clocks fall from 2:00 AM back to 1:00 AM
📅 Sunday Rule Most countries transition on Sundays to minimize disruption to businesses and services
✈️ Jet Lag Alert Transatlantic time differences shift by 1 hour for ~3 weeks each spring/autumn during asymmetric transitions
📱 Auto-Adjust Modern smartphones, computers, and IoT devices update automatically using the IANA time zone database

A Brief History of Daylight Saving Time

From Benjamin Franklin's satirical proposal to modern debates over abolition, DST has had a turbulent 200-year journey through global politics, energy policy, and everyday life.

1784

Benjamin Franklin's Satirical Suggestion

Franklin wrote a tongue-in-cheek letter to the Journal de Paris suggesting Parisians could save candle wax by waking up earlier. He never seriously proposed changing clocks.

1895

George Hudson's Proposal

New Zealand entomologist George Hudson formally proposed a 2-hour shift in a paper to the Wellington Philosophical Society — motivated by wanting more after-work daylight to collect insects.

1907

William Willett's Campaign

British builder William Willett campaigned tirelessly for DST in his pamphlet "The Waste of Daylight," urging a 20-minute shift on four consecutive Sundays each April. He died in 1915, never seeing it adopted.

1916

Germany and Austria-Hungary First to Adopt

During WWI, Germany introduced DST on April 30, 1916 to save coal. The UK and many allies followed weeks later. DST became a wartime energy measure across Europe.

1918

United States Adopts DST

The US adopted DST as part of the Standard Time Act of 1918, also establishing the modern time zone system. After WWI, it was made optional — leading to a patchwork of local rules.

1966

Uniform Time Act (USA)

The US Uniform Time Act standardized DST observance, requiring states that observe it to follow the same dates. States could opt out entirely (as Arizona did).

1973–1974

OPEC Oil Crisis & Year-Round DST

During the Arab oil embargo, the US tried year-round DST for 15 months (1974–75). Public opposition — especially parents sending children to school in pitch darkness — ended the experiment.

2007

US Extends DST by 4 Weeks

The Energy Policy Act of 2005 extended US DST: spring change moved from the 1st Sunday to the 2nd Sunday of March; autumn change moved from the last Sunday of October to the 1st Sunday of November.

2019–2026

Global Abolition Wave Accelerates

Brazil abolished DST in 2019. Iran and Jordan abolished it in 2022. Mexico followed in 2023. Paraguay adopted permanent UTC−3 in October 2024. In March 2026, British Columbia (Canada) announced it would permanently adopt DST, making March 8, 2026 its final clock change. The EU Parliament voted to end DST but has not implemented it. The US Senate passed the Sunshine Protection Act but it remains pending in Congress.

Pros & Cons of Daylight Saving Time

The debate over whether DST is beneficial has intensified in recent decades. Here are the strongest arguments on both sides, supported by research:

✅ Arguments For DST
  • Extended evening daylight encourages outdoor activity, retail spending, and tourism — estimated economic benefit of $400M annually in the US alone.
  • Reduced lighting demand in evenings can lower electricity consumption, particularly in higher latitudes.
  • Lower rates of pedestrian accidents due to better visibility during peak commute hours in evening.
  • More after-work daylight benefits leisure industries: golf, barbecue, theme parks, and outdoor sports report significant DST-season revenue increases.
  • Aligns work/school schedules more closely with natural light cycles for populations in higher latitudes (50°N and above).
❌ Arguments Against DST
  • The spring transition causes measurable increases in heart attacks, strokes, and traffic accidents in the days immediately following the clock change.
  • Modern air conditioning means summer afternoons are peak electricity demand — DST shifts load into the hottest part of the day in southern regions.
  • Disruption to circadian rhythms, sleep loss, and productivity decline are documented effects of clock transitions.
  • Reduced usefulness near the equator — most tropical countries have never adopted it, and research shows minimal energy benefit below 35° latitude.
  • Coordination nightmare: businesses, airlines, healthcare, and financial markets all experience temporary confusion during transition weeks.
Scientific Consensus: The American Academy of Sleep Medicine (AASM) and numerous medical bodies recommend eliminating the biannual clock change — with a preference for permanent standard time over permanent DST, citing circadian health alignment. For more on standard time, see: What Is Standard Time?

Frequently Asked Questions About Daylight Saving Time

Answers to the most common questions about DST, clock changes, and how they affect time zones worldwide.

Do all countries observe Daylight Saving Time? +
No. Only approximately 70 countries — roughly 40% of the world's nations — currently observe DST. The majority, particularly those near the equator where day length barely varies throughout the year (such as India, China, Japan, most of Africa, and Southeast Asia), do not observe it at all. Additionally, some countries that historically observed DST have abolished it in recent years, including Russia (2014), Turkey (2016), Brazil (2019), and Mexico (2023).
When do clocks change in the USA? +
In most US states, clocks spring forward on the second Sunday of March at 2:00 AM local time (clocks move to 3:00 AM). Clocks fall back on the first Sunday of November at 2:00 AM local time (clocks move to 1:00 AM). Arizona (except the Navajo Nation) and Hawaii do not observe DST and keep the same time year-round. US territories including Puerto Rico, Guam, American Samoa, and the US Virgin Islands also do not observe DST.
When do the clocks change in Europe? +
In all European Union countries and the UK, clocks spring forward on the last Sunday of March (at 1:00 AM GMT in the UK / at 2:00 AM CET on the continent). Clocks fall back on the last Sunday of October (at 2:00 AM BST in the UK / at 3:00 AM CEST on the continent). Iceland, Russia, Turkey, and Belarus do not observe DST.
Why do the USA and Europe change clocks on different dates? +
The US and EU use different calendar rules for their transitions. The US springs forward on the second Sunday of March and falls back on the first Sunday of November. The EU springs forward on the last Sunday of March and falls back on the last Sunday of October. This means there are typically 2–3 weeks each spring and autumn when the US and Europe are on different relative schedules, temporarily shifting transatlantic time differences by one hour.
What is the difference between DST and Standard Time? +
Standard Time is a country or region's base UTC offset during the winter months — the "natural" time zone determined by geographic longitude. Daylight Saving Time is an artificial +1 hour shift applied during summer months to move an hour of morning daylight to the evening. For example, the UK's standard time is GMT (UTC+0), but during DST it observes British Summer Time (BST = UTC+1). Learn more at our dedicated page: timetranslator.com/standard-time
Is Daylight Saving Time being abolished? +
Several countries have already abolished DST: Russia (2014), Turkey (2016), Brazil (2019), Iran (2022), Jordan (2022), Mexico (2023), Paraguay (2024). The European Union voted in 2019 to end DST but the decision has been stalled over disagreement about whether to adopt permanent standard time or permanent DST. In the USA, the Sunshine Protection Act passed the Senate in 2022 to make DST permanent, but has not yet been enacted into law. Both regions still observe the biannual clock change.
Does China observe Daylight Saving Time? +
No. China does not observe Daylight Saving Time. The entire country operates on a single time zone, China Standard Time (CST = UTC+8), year-round. China observed DST from 1986 to 1991 but abolished it after 1991, citing minimal benefit and the practical complexity of a single national time zone spanning five geographic zones.
How does DST affect international meetings and scheduling? +
DST transitions can shift the time difference between countries by 1–2 hours for several weeks. For example, in mid-March when the US has sprung forward but Europe hasn't yet, New York to London is only 4 hours apart instead of the usual 5. This is why scheduling tools, digital calendars, and world clocks are essential during transition periods. Our Time Zone Converter and World Clock at timetranslator.com automatically account for DST.