"Sun, 26 May 2024 14:13:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240526
Only TIME
14:13:17
General datetime
2024-05-26 14:13:17Z
For Database
2024-05-26 14:13:17
For HTTP1.1
Sun, 26 May 2024 14:13:17 GMT