"Sun, 05 May 2024 20:00:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240505
Only TIME
20:00:37
General datetime
2024-05-05 20:00:37Z
For Database
2024-05-05 20:00:37
For HTTP1.1
Sun, 05 May 2024 20:00:37 GMT