"Mon, 03 Jun 2024 09:20:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
09:20:36
General datetime
2024-06-03 09:20:36Z
For Database
2024-06-03 09:20:36
For HTTP1.1
Mon, 03 Jun 2024 09:20:36 GMT