"Thu, 15 Feb 2024 06:23:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240215
Only TIME
06:23:23
General datetime
2024-02-15 06:23:23Z
For Database
2024-02-15 06:23:23
For HTTP1.1
Thu, 15 Feb 2024 06:23:23 GMT