"Sat, 17 Aug 2024 18:27:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240817
Only TIME
18:27:51
General datetime
2024-08-17 18:27:51Z
For Database
2024-08-17 18:27:51
For HTTP1.1
Sat, 17 Aug 2024 18:27:51 GMT