Time Zone Converter
Instantly convert time between any time zones around the world. See what time it is in major cities and handle global scheduling with ease.
Conversion Settings
Source Time
20:05
UTC-5 (New York)
Sunday, March 22, 2026
Converted Time
01:05
UTC+0 (London)
Monday, March 23, 2026
Next day(UTC offset: +5 hours)
Quick Reference
What the selected time is in major cities:
New York
20:05
Mar 22
London
01:05
Mar 23
Tokyo
10:05
Mar 23
Sydney
11:05
Mar 23
Dubai
05:05
Mar 23
Los Angeles
17:05
Mar 22
Mumbai
06:35
Mar 23
Singapore
09:05
Mar 23
How to Use
Select your date and time using the date and time inputs. Choose your source time zone using the "From Timezone" dropdown. Then select your destination time zone using the "To Timezone" dropdown. The converter instantly shows what time it will be in your destination timezone, including the date and whether it's the same day, the next day, or the previous day. Use the swap button to quickly reverse the conversion direction. The Quick Reference section displays the current time in eight major cities around the world, helping you coordinate across multiple regions.
When Do You Need a Time Zone Converter?
Time zone converters are essential for scheduling international meetings, planning travel across regions, coordinating with remote teams, managing global business operations, and staying connected with people around the world. Whether you're scheduling a call with colleagues in Tokyo while you're in New York, or planning a trip to Australia, this tool helps you avoid confusion and missed appointments caused by time differences.
Understanding UTC Offsets
Every time zone is defined by its offset from UTC (Coordinated Universal Time). For example, UTC-5 (New York) means local time is 5 hours behind UTC, while UTC+9 (Tokyo) means local time is 9 hours ahead. When converting between time zones, the difference between their UTC offsets determines how many hours to add or subtract. A time zone 14 hours ahead will be 14 hours later in the day, which might mean it's the next day depending on the current time.
Frequently Asked Questions
- What are time zones and UTC?
- Time zones are regions on Earth that follow a standardized time. UTC (Coordinated Universal Time) is the primary time standard used worldwide, serving as a reference point. Time zones are typically offset from UTC by whole hours, though some regions use half-hour or quarter-hour offsets. UTC is also known as GMT (Greenwich Mean Time) and is the standard used in aviation, military, and international communications.
- How does Daylight Saving Time affect time zones?
- Daylight Saving Time (DST) is a practice where clocks are adjusted forward by one hour during warmer months to extend daylight. Not all regions observe DST, and those that do change their clocks on different dates. When DST is active, a time zone might shift from UTC-5 to UTC-4, for example. This tool uses static UTC offsets; for real-time accuracy during DST transitions, check your local region's current offset.
- Why do some time zones have half-hour or quarter-hour offsets?
- Some time zones use half-hour offsets (like UTC+5:30 for India) or quarter-hour offsets (like UTC+5:45 for Nepal) for historical, political, or economic reasons. These were established long ago and remain to distinguish one region from another. While most modern time zones use full-hour offsets, these unique offsets are still in use worldwide and are important for accurate time conversions.