"Sun, 19 May 2024 08:36:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
08:36:20
General datetime
2024-05-19 08:36:20Z
For Database
2024-05-19 08:36:20
For HTTP1.1
Sun, 19 May 2024 08:36:20 GMT