"Sat, 14 Sep 2024 06:39:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
06:39:11
General datetime
2024-09-14 06:39:11Z
For Database
2024-09-14 06:39:11
For HTTP1.1
Sat, 14 Sep 2024 06:39:11 GMT