mint

convert · time

Convert time between time zones online

Convert a date and time between IANA time zones with exact daylight-saving handling, inspect a zone's offsets and transitions, or list a country's zones — each run costs 1 credit after the 20 free runs a day, and the tool finishes within 5 seconds.

input

ISO 8601, e.g. 2026-03-29T01:30:00 (wall clock in from_tz / tz) or 2026-03-29T00:30:00Z / 2026-03-29T01:30:00+01:00 (exact instant). Required for convert and info.

convert: source zone, an IANA name such as Europe/Berlin or a fixed offset such as +05:30. Required when datetime has no offset.

convert: target zone, an IANA name or a fixed offset. Required for convert.

More options (3)

info: the zone to describe, an IANA name or a fixed offset (from_tz is accepted as an alias). Required for info.

list: ISO 3166-1 alpha-2 code, e.g. US. Omit to list every zone.

list: only zones whose name contains this text (case-insensitive), e.g. york or europe/

ctrl + enter

result

Press Run. The result lands here, made by the real tool.

1 credit · ≤5 s · no login · 20 free/day

How it works

  1. Fill in the operation, date-time, and zone fields in the form — a working example is pre-filled.
  2. Press Run to send the request.
  3. Read the JSON result showing the converted time, offsets, DST flags, and any transition dates.

Limits

Each run accepts up to 4,096 bytes of input and completes within 5 seconds. You get 20 free runs per day without logging in. Beyond that, each run costs 1 credit drawn from prepaid credits tied to an API key.

Privacy

Your input is processed for the request and discarded immediately afterwards; it is not stored or used for any other purpose. Usage records retain only the time, tool name, status, duration, credits used, and a salted hash of the IP address.

More tools

Call it from code

curl
curl -sS -X POST 'https://data.voiddo.com/v1/timezone_convert' \
  -H 'Content-Type: application/json' \
  -d '{"op":"convert","datetime":"2026-03-29T01:30:00","from_tz":"Europe/Berlin","to_tz":"America/New_York"}'

20 calls a day need no key. Beyond that: one-time credit packs, $5 for 500 credits, $9 for 1,000 credits, $29 for 4,000 credits. Get credits · llms.txt · OpenAPI.

Questions

Do I need an account to use this?

No. You get 20 free runs per day as a visitor with no login required.

What happens once I have used my 20 free runs?

Further runs are paid with prepaid credits attached to an API key, at 1 credit per run.

How do I call this from code?

Send a POST request to https://data.voiddo.com/v1/timezone_convert with your parameters as JSON; a curl example is shown on this page.

Does the tool handle daylight-saving transitions correctly?

Yes. It uses IANA time zone data and returns the exact offsets and DST status for both the source and target zones, including the previous and next transition times.

Are my inputs stored after the request?

No. The input is discarded after the request completes and is not kept or used for anything else.