Download Custom Timezone Data
Export IANA timezone data—including names, abbreviations, country info, and offsets in minutes or hours—as JSON or Excel.
Select Your Fields:
Choose the data columns you need: IANA timezone name, abbreviation, alternative name, country name, country code, and offset. Defaults cover most use cases.
Choose File Type:
Pick between JSON, CSV (Spreadsheet), or Excel output. Filenames include a timestamp for versioning.
Download & Integrate:
Click "Download Now" to generate your file. Offsets are provided in minutes or hours for precise scheduling.
Key Features for Quality Data
- Data Cleaning & Normalization: We merge IANA and curated lists, normalize field keys, and ensure country names and codes use ISO standards.
- Precise Offsets in Minutes or Hours: Offsets in minutes or hours are calculated per IANA data and included as-is, giving you the most precise values.
Best Practices
Use IANA Names for Precision
Always include the IANA timezone identifier for unambiguous mapping in your applications.
Abbreviations & Alt Names
Include both official abbreviations and alternative labels for clear display in UIs.
Offset in Minutes or Hours for Accuracy
Working with raw minute offsets ensures exact scheduling calculations without rounding errors.
FAQs
Can I download only specific regions?
Yes—select only the timezones you need by checkbox to keep your file focused and lightweight.
How are offsets represented?
Offsets are provided as raw minute values for precise integration into any scheduling system.
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