"Sun, 19 May 2024 22:11:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
22:11:13
General datetime
2024-05-19 22:11:13Z
For Database
2024-05-19 22:11:13
For HTTP1.1
Sun, 19 May 2024 22:11:13 GMT