"Sun, 18 Aug 2024 11:03:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
11:03:04
General datetime
2024-08-18 11:03:04Z
For Database
2024-08-18 11:03:04
For HTTP1.1
Sun, 18 Aug 2024 11:03:04 GMT