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TimeZoneDB

Free time zone, UTC offset and DST lookups by coordinates, zone or IP

TimeZoneDB returns the time zone, current local time, GMT offset and DST status for a location given coordinates, a zone name, city, abbreviation or IP. It also converts time between zones. The free tier needs a free API key and is for personal/non-commercial use.

Free tier

Free for personal/non-commercial use with a free key. Paid plan (~$4.20/mo) for commercial and unlimited use.

Rate limits

1 request per second on the free key; exceeding it blocks subsequent queries.

Auth

API key

Base URL

http://api.timezonedb.com/v2.1

What you'd build with it

  • Resolve the correct local time/offset for a user's coordinates
  • Schedule or display events in the recipient's time zone in an automation
  • Convert timestamps between two zones
  • Detect DST status before computing a delivery window

Key endpoints

  • GET/get-time-zoneTime zone + local time by lat/lon, zone, city or IP
  • GET/convert-time-zoneConvert a timestamp between two zones
  • GET/list-time-zoneList all supported time zones
Members

Members get the runnable recipe

Sign in free to copy the example request, see a sample response, and read the gotchas.

Tags

timezonegeodatetimedst