"Sat, 14 Sep 2024 15:40:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
15:40:34
General datetime
2024-09-14 15:40:34Z
For Database
2024-09-14 15:40:34
For HTTP1.1
Sat, 14 Sep 2024 15:40:34 GMT