"Wed, 18 Sep 2024 18:40:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
18:40:09
General datetime
2024-09-18 18:40:09Z
For Database
2024-09-18 18:40:09
For HTTP1.1
Wed, 18 Sep 2024 18:40:09 GMT