"Sat, 14 Sep 2024 15:14:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
15:14:05
General datetime
2024-09-14 15:14:05Z
For Database
2024-09-14 15:14:05
For HTTP1.1
Sat, 14 Sep 2024 15:14:05 GMT