"Sat, 07 Sep 2024 15:40:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240907
Only TIME
15:40:15
General datetime
2024-09-07 15:40:15Z
For Database
2024-09-07 15:40:15
For HTTP1.1
Sat, 07 Sep 2024 15:40:15 GMT