Asunción, Paraguay · UTC-3
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Asunción is in the America/Asuncion timezone (PYT/UTC-4, PYST/UTC-3 in summer). Paraguay observes daylight saving on its own Southern Hemisphere schedule, shifting clocks in September.
Asunción is South America’s most isolated capital by most measures. Paraguay is landlocked, with no coastline, surrounded by Argentina, Bolivia, and Brazil. The capital sits on the Paraguay River across from Argentina, a city that still has a frontier quality: low-rise, tropical, with a pace that feels removed from the hustle of São Paulo or Buenos Aires.
The timezone is America/Asuncion, UTC-4 in standard time and UTC-3 during daylight saving. Paraguay observes DST, moving clocks forward in September (the Southern Hemisphere spring) and back in March.
This schedule creates an interesting misalignment. Paraguay’s spring-forward happens in September, but Brazil and Argentina, its neighbors, have different DST schedules or don’t observe it at all. Brazil eliminated national DST in 2019. Argentina does not observe DST. For a period each year, coordination across the Paraguayan border requires more careful timezone math than usual.
Cross-border trade and timezone math
Paraguay’s economy has a significant informal sector and a large Chinese and Lebanese immigrant community, particularly active in Ciudad del Este on the Brazilian border, one of the world’s busiest free-trade zones. The time there is the same as Asunción but the trade networks run on multiple timezone relationships simultaneously.
Asunción itself is tropical and hot most of the year. The city’s daily rhythm extends into the evening, when temperatures drop enough to make outdoor life comfortable.
9am in Asunción is 1pm in London during South American winter.
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Read more about time in Paraguay →Same time as Asunción
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Questions about time in Asunción
- What timezone is Asunción in?
- Asunción uses the IANA timezone
America/Asuncion. The UTC offset is always UTC-3 — this timezone does not observe daylight saving time. - Does Asunción observe daylight saving time?
- No. Asunción does not observe daylight saving time. The UTC offset remains UTC-3 all year round.
- What is the current UTC offset for Asunción?
- Asunción is currently at UTC-3.
- What is the time difference between Asunción and New York?
- Asunción is currently 1 hour ahead of New York.
- What is the time difference between Asunción and London?
- Asunción is currently 4 hours behind London.
- What is the time difference between Asunción and Los Angeles?
- Asunción is currently 4 hours ahead of Los Angeles.
- What is the time difference between Asunción and Tokyo?
- Asunción is currently 12 hours behind Tokyo.
- What is the IANA timezone name for Asunción?
- The IANA timezone database identifier for Asunción is
America/Asuncion. Use this string in programming languages and APIs: JavaScript (`new Intl.DateTimeFormat('en-US', { timeZone: 'America/Asuncion' })`), Python (`pytz.timezone('America/Asuncion')`), or any IANA-compatible library.