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Time Zone Converter
Free time zone converter. Convert any time across multiple time zones instantly, see DST indicators, and use the meeting planner to find the best overlap hours across all your selected zones. Supports 40+ major cities worldwide.
Converted Times
London (GMT/BST) (source)
Sun 05 Apr
12:15
GMT+1 · DST
New York (ET)
Sun 05 Apr
07:15
GMT-4 · DST
Singapore (SGT)
Sun 05 Apr
19:15
GMT+8
Meeting Planner, Best Overlap Hours
No hours overlap across all selected zones during standard working hours (9am–6pm). Try removing a timezone or check for a better date.
Based on 9am–6pm working hours in each zone on the selected date.
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Frequently Asked Questions
What is UTC and how is it different from GMT?
UTC (Coordinated Universal Time) is the modern international time standard and is functionally equivalent to GMT (Greenwich Mean Time) for everyday purposes. The key difference is that UTC never observes daylight saving time, making it the preferred reference for computing, aviation, and global scheduling.
How do I schedule a meeting across multiple time zones?
Use our meeting planner feature: add all the time zones of your attendees and the tool will highlight hours that fall within standard working hours (9am–6pm) in every zone simultaneously. Generally, the early morning US East Coast and late afternoon Europe overlap window (around 2–5pm London / 9am–12pm New York) is the most common sweet spot.
What is daylight saving time (DST) and which countries use it?
Daylight saving time shifts clocks forward by one hour in spring and back in autumn to make better use of daylight. The US, Canada, most of Europe, and Australia observe DST, but on different dates. The UK moves clocks in late March and late October. The US changes a few weeks before Europe. Many countries, including most of Asia, Africa, and China, do not observe DST.
Why do some countries not observe daylight saving time?
Countries close to the equator see little variation in sunrise and sunset times throughout the year, making daylight saving impractical. Other nations (including Japan, China, India, and most of Africa) have abolished it for economic or political reasons, or simply never adopted it.
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