"Wed, 21 Aug 2024 03:12:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
03:12:36
General datetime
2024-08-21 03:12:36Z
For Database
2024-08-21 03:12:36
For HTTP1.1
Wed, 21 Aug 2024 03:12:36 GMT