"Mon, 06 May 2024 12:36:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240506
Only TIME
12:36:36
General datetime
2024-05-06 12:36:36Z
For Database
2024-05-06 12:36:36
For HTTP1.1
Mon, 06 May 2024 12:36:36 GMT