"Sat, 17 Aug 2024 08:15:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240817
Only TIME
08:15:40
General datetime
2024-08-17 08:15:40Z
For Database
2024-08-17 08:15:40
For HTTP1.1
Sat, 17 Aug 2024 08:15:40 GMT