"Mon, 26 Feb 2024 20:16:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240226
Only TIME
20:16:03
General datetime
2024-02-26 20:16:03Z
For Database
2024-02-26 20:16:03
For HTTP1.1
Mon, 26 Feb 2024 20:16:03 GMT