"Tue, 27 Aug 2024 18:20:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240827
Only TIME
18:20:15
General datetime
2024-08-27 18:20:15Z
For Database
2024-08-27 18:20:15
For HTTP1.1
Tue, 27 Aug 2024 18:20:15 GMT