"Sun, 12 May 2024 17:02:26"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240512
Only TIME
17:02:26
General datetime
2024-05-12 17:02:26Z
For Database
2024-05-12 17:02:26
For HTTP1.1
Sun, 12 May 2024 17:02:26 GMT