"Wed, 31 Jul 2024 18:38:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240731
Only TIME
18:38:21
General datetime
2024-07-31 18:38:21Z
For Database
2024-07-31 18:38:21
For HTTP1.1
Wed, 31 Jul 2024 18:38:21 GMT