Guides · 5 short reads
Field notes on cron
Short, opinionated notes from the field. Not a tutorial. Reading time is honest — none of these is fluffed up to twenty minutes.
- 016 min
Porting a cron expression between platforms without setting yourself on fire
You wrote `0 9 * * 1-5` on Linux. Now ops wants it on EventBridge, and the marketing team wants the same thing on Vercel. Here is what actually changes.
- 025 min
The cron timezone and DST survival guide
Why your 02:30 nightly job ran zero times in March and twice in October, and what to do about it.
- 035 min
Monitoring cron jobs: the failure mode you almost certainly have
Cron jobs fail silently. The standard observability stack does not catch them. Here is how to find out before your users do.
- 044 min
Why cronpreview rejects some valid-looking expressions
You typed something that looks fine and got a red error. Here is what the validator is checking and why.
- 055 min
Cron anti-patterns we keep seeing
A short field guide to the schedules that look fine in review but cause production incidents.