"Fri, 23 Feb 2024 20:15:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240223
Only TIME
20:15:57
General datetime
2024-02-23 20:15:57Z
For Database
2024-02-23 20:15:57
For HTTP1.1
Fri, 23 Feb 2024 20:15:57 GMT