Timezone Converter
Convert time between different timezones online free — support for 24+ timezones, instant conversion for meetings and scheduling.
Last updated: 10 October 2026
Convert a date and time across major world timezones with automatic daylight-saving handling. 3:00 PM EST converted to 1:30 AM IST the next day; 12:00 PM UTC in summer correctly returned 5:00 AM PDT rather than PST.
Timezone Converter
22/10/2026, 20:25:00
Worked Examples
Verified conversions
- 3:00 PM EST (UTC-5) → 1:30 AM IST (UTC+5:30) next day
- 12:00 PM UTC in summer → 5:00 AM PDT — DST applied, not the winter offset
- Half-hour zones like IST render their 30-minute offset correctly
Planning across zones
- IST is 10.5 hours ahead of EST — late-afternoon US calls land early morning in India.
- DST transitions spring forward and fall back on different dates in the US and Europe; check both.
- For meetings, agree on one reference zone (usually UTC) and convert locally.
About Timezone Converter
Convert time between different timezones. Enter a date and time in one timezone and see the equivalent time in all other major world timezones. Automatically handles daylight saving time transitions. Test data: converted 3:00 PM EST (UTC-5) to IST (UTC+5:30) → 1:30 AM next day — verified against timeanddate.com's timezone calculator. Converting 12:00 PM UTC to PST during summer correctly returned 5:00 AM PDT (not PST), confirming DST handling works.
Limits: Does not show historical timezone changes before 1970; DST rules may be wrong for countries that recently changed their DST policy; Does not display the timezone's current UTC offset alongside the name; Cannot add custom or non-standard timezones not in the IANA database
Who Uses This Tool
- A project manager scheduling a video call across teams in New York (EST), London (GMT), and Tokyo (JST)
- A freelancer converting a client's meeting time from CET to their local PST timezone
- A traveler planning a flight itinerary by converting departure and arrival times across multiple timezone stops
Key Features
- 24 major world timezones
- Automatic DST handling
- Multiple timezone comparison in one view
- 30-minute and 45-minute offset support (India, Nepal)
- Copy formatted time to clipboard
How to use Timezone Converter
- Select the source timezone from the dropdown.
- Enter the date and time you want to convert.
- View the converted times for all other major timezones.
- Click any result to copy the formatted time.
How It Compares
Unlike timeanddate.com's converter which loads external resources and shows ads, this tool runs instantly with no server round-trip. It also shows all timezones at once — timeanddate.com requires you to select specific cities, making multi-timezone comparison slower.
Privacy & Security
Because processing happens directly in your browser, your files and input are not uploaded to our servers.
Written and checked by Mohammad Sohail
DST handling re-checked on 10 October 2026 against reference timezone calculations.
About FreeDigitalToolkit →Frequently Asked Questions
Does it handle daylight saving time?
Yes. Timezone conversions account for DST based on the date you provide. For example, converting a time in March will correctly use EST or EDT depending on whether DST has started.
How many timezones are supported?
24 major world timezones are covered — all US zones, major European cities, Asia, Australia, and zones with 30-minute or 45-minute offsets like India (UTC+5:30) and Nepal (UTC+5:45).
Why do some timezones show a 30-minute offset?
Not all timezones align to whole hours. India (UTC+5:30), Iran (UTC+3:30), and Nepal (UTC+5:45) are examples of zones with half-hour or quarter-hour offsets. The tool handles these correctly.
Can I compare more than two timezones at once?
Yes. The tool shows the converted time for all major timezones simultaneously, so you can see how a meeting time works across New York, London, Tokyo, Sydney, and other locations in one view.
What happens when a timezone doesn't exist on a given date?
If you enter a time during a DST gap (the 'spring forward' hour), the tool adjusts to the next valid time. For example, 2:30 AM during a spring-forward transition would show 3:30 AM.
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