"Thu, 11 Apr 2024 20:15:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240411
Only TIME
20:15:35
General datetime
2024-04-11 20:15:35Z
For Database
2024-04-11 20:15:35
For HTTP1.1
Thu, 11 Apr 2024 20:15:35 GMT