"Sun, 18 Aug 2024 07:42:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
07:42:19
General datetime
2024-08-18 07:42:19Z
For Database
2024-08-18 07:42:19
For HTTP1.1
Sun, 18 Aug 2024 07:42:19 GMT