"Sun, 26 May 2024 20:01:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240526
Only TIME
20:01:15
General datetime
2024-05-26 20:01:15Z
For Database
2024-05-26 20:01:15
For HTTP1.1
Sun, 26 May 2024 20:01:15 GMT