"Sat, 13 Jul 2024 13:12:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240713
Only TIME
13:12:23
General datetime
2024-07-13 13:12:23Z
For Database
2024-07-13 13:12:23
For HTTP1.1
Sat, 13 Jul 2024 13:12:23 GMT