"Sun, 18 Aug 2024 09:40:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
09:40:25
General datetime
2024-08-18 09:40:25Z
For Database
2024-08-18 09:40:25
For HTTP1.1
Sun, 18 Aug 2024 09:40:25 GMT