"Wed, 31 Jul 2024 15:30:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240731
Only TIME
15:30:00
General datetime
2024-07-31 15:30:00Z
For Database
2024-07-31 15:30:00
For HTTP1.1
Wed, 31 Jul 2024 15:30:00 GMT