"Sat, 03 Aug 2024 18:38:28"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240803
Only TIME
18:38:28
General datetime
2024-08-03 18:38:28Z
For Database
2024-08-03 18:38:28
For HTTP1.1
Sat, 03 Aug 2024 18:38:28 GMT