"Thu, 11 Apr 2024 20:20:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240411
Only TIME
20:20:20
General datetime
2024-04-11 20:20:20Z
For Database
2024-04-11 20:20:20
For HTTP1.1
Thu, 11 Apr 2024 20:20:20 GMT