"Sat, 14 Sep 2024 01:39:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
01:39:15
General datetime
2024-09-14 01:39:15Z
For Database
2024-09-14 01:39:15
For HTTP1.1
Sat, 14 Sep 2024 01:39:15 GMT