"Sun, 21 Jul 2024 01:03:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240721
Only TIME
01:03:23
General datetime
2024-07-21 01:03:23Z
For Database
2024-07-21 01:03:23
For HTTP1.1
Sun, 21 Jul 2024 01:03:23 GMT