"Sat, 14 Sep 2024 20:04:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
20:04:18
General datetime
2024-09-14 20:04:18Z
For Database
2024-09-14 20:04:18
For HTTP1.1
Sat, 14 Sep 2024 20:04:18 GMT