"Tue, 13 Aug 2024 15:20:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240813
Only TIME
15:20:08
General datetime
2024-08-13 15:20:08Z
For Database
2024-08-13 15:20:08
For HTTP1.1
Tue, 13 Aug 2024 15:20:08 GMT