"Wed, 21 Aug 2024 12:39:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
12:39:20
General datetime
2024-08-21 12:39:20Z
For Database
2024-08-21 12:39:20
For HTTP1.1
Wed, 21 Aug 2024 12:39:20 GMT