"Wed, 21 Aug 2024 23:15:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
23:15:35
General datetime
2024-08-21 23:15:35Z
For Database
2024-08-21 23:15:35
For HTTP1.1
Wed, 21 Aug 2024 23:15:35 GMT