"Sat, 14 Sep 2024 06:18:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
06:18:39
General datetime
2024-09-14 06:18:39Z
For Database
2024-09-14 06:18:39
For HTTP1.1
Sat, 14 Sep 2024 06:18:39 GMT