"Wed, 18 Sep 2024 06:15:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
06:15:30
General datetime
2024-09-18 06:15:30Z
For Database
2024-09-18 06:15:30
For HTTP1.1
Wed, 18 Sep 2024 06:15:30 GMT