"Sun, 18 Aug 2024 16:51:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
16:51:10
General datetime
2024-08-18 16:51:10Z
For Database
2024-08-18 16:51:10
For HTTP1.1
Sun, 18 Aug 2024 16:51:10 GMT