Which cron expression in a GitHub Actions schedule trigger runs a workflow every day at midnight UTC?
Select an answer to reveal the explanation.
Short Explanation and Infographic
Cron reads left to right: minute, hour, day-of-month, month, day-of-week. Midnight UTC is minute=0, hour=0, every day.
Full explanation below image
Full Explanation
GitHub Actions uses POSIX cron syntax with five fields: minute (0-59), hour (0-23), day of month (1-31), month (1-12), day of week (0-6). '0 0 ' means 'at minute 0 of hour 0, every day, every month, every weekday' — exactly midnight UTC. ' 0 0 ' has invalid values (month 0, day 0). '0 0' runs every hour on Sundays. '00:00 ' is not valid cron syntax. Note: GitHub may delay scheduled runs during high load.