"Wed, 31 Jul 2024 18:20:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240731
Only TIME
18:20:20
General datetime
2024-07-31 18:20:20Z
For Database
2024-07-31 18:20:20
For HTTP1.1
Wed, 31 Jul 2024 18:20:20 GMT