"Sat, 30 Mar 2024 20:15:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240330
Only TIME
20:15:33
General datetime
2024-03-30 20:15:33Z
For Database
2024-03-30 20:15:33
For HTTP1.1
Sat, 30 Mar 2024 20:15:33 GMT