"Sat, 16 Mar 2024 08:53:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240316
Only TIME
08:53:48
General datetime
2024-03-16 08:53:48Z
For Database
2024-03-16 08:53:48
For HTTP1.1
Sat, 16 Mar 2024 08:53:48 GMT