"Sun, 11 Feb 2024 11:19:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240211
Only TIME
11:19:44
General datetime
2024-02-11 11:19:44Z
For Database
2024-02-11 11:19:44
For HTTP1.1
Sun, 11 Feb 2024 11:19:44 GMT