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Automation

Schedule Visualiser

Preview upcoming UTC times selected by a cron expression.

Calculations run in your browser. The tool does not send your inputs to a server.

01Your inputs

Local workspace

Start with the sample below, or enter your own values.

Use an explicit timezone, for example 2026-01-01T09:00:00Z (UTC). Time precision is milliseconds: use at most three fractional-second digits.

02Your result

Your result will appear here. Choose an action after checking your inputs.

A quick guide

How to use this tool

  1. Check the example and the unit beside each input.
  2. Enter your values and choose Visualise.
  3. Review the result and assumptions, then copy what you need.

Reset example restores the starting values. Clear removes text and number inputs, returns choices to their first valid option, and removes the result.

Reference guide

Explanation and worked examples

The tool shows up to 12 occurrences strictly after the reference time, within one year. An empty list can mean the expression has no matches within that search period.

Use in day-to-day IT work

Review upcoming executions before enabling a cron schedule.

Checks before applying the result

  • Occurrences are strictly after the supplied start and shown in UTC. The search horizon is approximately one year, so rare leap-day matches may be absent.
  • Confirm the target scheduler timezone and daylight-saving behaviour. This preview does not model runtime, missed jobs or overlapping executions.
New to the terminology?
Backoff
Waiting progressively longer between retry attempts.
Jitter
Varying delays to avoid many clients retrying together.
Cron
A field-based expression selecting scheduled times.

Keep exploring

Cron Expression BuilderCron Expression ExplainerRetry / Exponential Backoff CalculatorRate Limit CalculatorLearn Cron →

How calculations work and where the models stop →