Tools

Timezone Abbreviation Resolver to IANA

Resolve timezone abbreviations into IANA time zone names.

Timezone Abbreviation Resolver

Resolve short timezone abbreviations into full IANA zone names. This helps normalize user input and avoid ambiguous time conversions.

How to use the Timezone Abbreviation Resolver

  1. Enter the abbreviation.
  2. Click Resolve.
  3. Copy the suggested IANA zone.

Common use cases

  • Cleaning time zone inputs in forms.
  • Normalizing schedules from spreadsheets.
  • Mapping legacy abbreviations to modern zones.
  • Debugging meeting times in email threads.

Tips & notes

  • Abbreviations can map to multiple regions.
  • Always store time zones as IANA names.
  • Pair with a date when converting times.

Related time tools

  • Time Zone Converter
  • UTC ↔ Local Converter
  • DST Change Detector

FAQ

Are abbreviations unique?
No. Some map to multiple zones.
Does it account for DST?
The output is a zone; DST depends on the date used later.
Should I use abbreviations in APIs?
Prefer IANA names to avoid ambiguity.