"Wed, 21 Feb 2024 06:23:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240221
Only TIME
06:23:17
General datetime
2024-02-21 06:23:17Z
For Database
2024-02-21 06:23:17
For HTTP1.1
Wed, 21 Feb 2024 06:23:17 GMT