Dates and Time7 min read
Cron Expression Examples: Syntax, Schedules and the Day-of-Week Trap
Cron expression examples you can copy, the five-field syntax, and the day-of-month and day-of-week trap that runs jobs on days you did not expect.
Dates and Time
Dates look simple until a month end, a leap year or a time zone gets involved. These guides explain how to count days, add months, find week numbers, work with business days and convert time zones and timestamps, with worked examples you can check.
Dates and Time7 min read
How to Convert a Unix Timestamp to a Date: Seconds vs Milliseconds
Convert Unix timestamp to date by hand, in code or with a free tool. Tell seconds from milliseconds, avoid the 1970 bug and learn what happens in 2038.