"Thu, 15 Aug 2024 15:20:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
15:20:10
General datetime
2024-08-15 15:20:10Z
For Database
2024-08-15 15:20:10
For HTTP1.1
Thu, 15 Aug 2024 15:20:10 GMT