"Sat, 14 Sep 2024 04:15:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
04:15:35
General datetime
2024-09-14 04:15:35Z
For Database
2024-09-14 04:15:35
For HTTP1.1
Sat, 14 Sep 2024 04:15:35 GMT