Timezone Converter — IANA Time Zones
Convert any date or timestamp between IANA timezones with correct daylight saving time handling via the Intl API. Compare two zones side by side — no server upload.
Your data never leaves your browser
Date / timestamp
Timezone comparison
About this tool
IANA zonesDST awareIntl APITimestamp inputPrivate
How to use
- Paste a date or leave empty for now.
- Select source and target timezones.
- Copy the converted times.
Examples
UTC to EST
Same instant
America/New_York local time