"Sun, 21 Jul 2024 12:13:22"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240721
Only TIME
12:13:22
General datetime
2024-07-21 12:13:22Z
For Database
2024-07-21 12:13:22
For HTTP1.1
Sun, 21 Jul 2024 12:13:22 GMT