"Sun, 12 May 2024 17:58:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240512
Only TIME
17:58:48
General datetime
2024-05-12 17:58:48Z
For Database
2024-05-12 17:58:48
For HTTP1.1
Sun, 12 May 2024 17:58:48 GMT