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Convert GitHub Actions cron to AWS EventBridge
GitHub Actions expressions look similar to AWS EventBridge, but the differences matter. Paste yours below; the result is checked against the original run times.
What changes from GitHub Actions to AWS EventBridge
- GitHub Actions numbers Sunday as 0, but AWS EventBridge uses 1-7 starting on Sunday. Every weekday number is increased by one (Monday-Friday becomes 2-6).
- AWS EventBridge requires a
?in exactly one of the two day fields. The converter puts it in the day field you did not use. - AWS EventBridge has a year field. The converter appends
*so the schedule repeats every year. - GitHub Actions runs when day-of-month or day-of-week matches, but AWS EventBridge requires both. If you set both fields, the converter warns you.
Worked examples
| Schedule | GitHub Actions | AWS EventBridge |
|---|---|---|
| every 5 minutes | */5 * * * * | */5 * * * ? * |
| every 10 minutes | */10 * * * * | */10 * * * ? * |
| every 15 minutes | */15 * * * * | */15 * * * ? * |
| every 30 minutes | */30 * * * * | */30 * * * ? * |
| every hour | 0 * * * * | 0 * * * ? * |
| every 2 hours | 0 */2 * * * | 0 */2 * * ? * |
| every 3 hours | 0 */3 * * * | 0 */3 * * ? * |
| every 6 hours | 0 */6 * * * | 0 */6 * * ? * |
Field layout and time zones
minute (0-59), hour (0-23), day-of-month (1-31), month (1-12), day-of-week (0-6, 0 = Sunday).
GitHub Actions schedules are always UTC. Convert your local time to UTC before writing the expression.
minute (0-59), hour (0-23), day-of-month (1-31), month (1-12), day-of-week (1-7, 1 = Sunday), year (1970-2199, required).
EventBridge rules always run in UTC. If you want a local time zone with DST support, use EventBridge Scheduler instead.
Go the other way
Convert AWS EventBridge to GitHub Actions, or open the GitHub Actions builder or the AWS EventBridge builder.
Frequently asked questions
How do I convert a GitHub Actions cron expression to AWS EventBridge?
Paste it into the converter above with GitHub Actions as the source and AWS EventBridge as the target. For example, */5 * * * * becomes */5 * * * ? *.
Is every GitHub Actions expression convertible to AWS EventBridge?
Yes for the common schedules we tested (26 of 26), though unusual expressions with special characters might need manual review.
Does AWS EventBridge run in the same time zone as GitHub Actions?
Not necessarily. Conversion changes the syntax, not the time zone. Check where each system evaluates the schedule before you rely on the same clock times.