"Thu, 04 Apr 2024 20:15:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240404
Only TIME
20:15:45
General datetime
2024-04-04 20:15:45Z
For Database
2024-04-04 20:15:45
For HTTP1.1
Thu, 04 Apr 2024 20:15:45 GMT