calendr.events

Fix / calendar toolbox

Timezone Converter

Convert resolvable event timestamps to UTC without guessing zones.

Processed in your browser

Opening your local workspace…

How it works.

  1. 01Open a calendar and inspect timezone diagnostics.
  2. 02Choose an explicit zone for floating values; all-day dates remain dates.
  3. 03Preview UTC conversion and export only supported data.

The important details.

Conversion must preserve recurrence semantics. Recurring local-time series that cannot be safely rewritten are rejected rather than shifted across DST.

A good question.

Will all-day events shift a day?

No. All-day DATE values have no instant timezone and remain unchanged.

Keep going.

All tools →

Fix

Timezone Checker

Find missing timezone definitions and ambiguous floating timestamps.

Fix

Recurrence Validator

Check RRULE, exceptions and bounded occurrence behavior.

Organize

Calendar Diff

Compare added, removed and semantically changed calendar events.

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