"Sun, 21 Jul 2024 10:10:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240721
Only TIME
10:10:55
General datetime
2024-07-21 10:10:55Z
For Database
2024-07-21 10:10:55
For HTTP1.1
Sun, 21 Jul 2024 10:10:55 GMT