"Mon, 29 Jul 2024 18:40:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240729
Only TIME
18:40:44
General datetime
2024-07-29 18:40:44Z
For Database
2024-07-29 18:40:44
For HTTP1.1
Mon, 29 Jul 2024 18:40:44 GMT