"Sun, 21 Jul 2024 09:25:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240721
Only TIME
09:25:03
General datetime
2024-07-21 09:25:03Z
For Database
2024-07-21 09:25:03
For HTTP1.1
Sun, 21 Jul 2024 09:25:03 GMT