"Wed, 18 Sep 2024 15:39:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
15:39:59
General datetime
2024-09-18 15:39:59Z
For Database
2024-09-18 15:39:59
For HTTP1.1
Wed, 18 Sep 2024 15:39:59 GMT