"Wed, 21 Aug 2024 18:20:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
18:20:00
General datetime
2024-08-21 18:20:00Z
For Database
2024-08-21 18:20:00
For HTTP1.1
Wed, 21 Aug 2024 18:20:00 GMT