Timezone Converter
DeveloperConvert times between different timezones. Perfect for scheduling across global teams.
Add Timezone
What is This Tool?
A timezone converter converts times between any of the world's time zones with support for daylight saving time (DST) transitions. See current times across multiple zones simultaneously, convert specific dates/times, and understand UTC offsets for scheduling across regions.
The world uses over 400 time zones (IANA database), with UTC offsets ranging from -12:00 to +14:00. DST rules vary by country and change frequently — this tool uses the latest IANA timezone database to handle current and historical DST transitions correctly.
Common Use Cases
Global Team Coordination
Find overlapping work hours and schedule meetings across time zones for distributed teams.
API Timestamp Debugging
Convert API timestamps between UTC, server time, and local time to debug timezone-related data issues.
Deployment Planning
Plan maintenance windows and deployments in UTC while understanding impact across user time zones.
Travel Planning
Calculate arrival times, jet lag, and local times when traveling across multiple time zones.
Frequently Asked Questions
Is DST handled automatically?
Yes. The converter accounts for DST transitions based on the IANA timezone database, including non-standard DST rules and recent changes.
What is the difference between UTC and GMT?
Practically identical for most purposes. UTC is the modern standard (atomic clock-based). GMT is the historical term (solar observation-based). Use UTC in technical contexts.
Why do some zones have :30 or :45 offsets?
India (UTC+5:30), Nepal (UTC+5:45), and several other regions use non-hour offsets for historical and geographic reasons.