"Thu, 18 Apr 2024 20:20:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240418
Only TIME
20:20:13
General datetime
2024-04-18 20:20:13Z
For Database
2024-04-18 20:20:13
For HTTP1.1
Thu, 18 Apr 2024 20:20:13 GMT