"Fri, 21 Jun 2024 12:10:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
12:10:00
General datetime
2024-06-21 12:10:00Z
For Database
2024-06-21 12:10:00
For HTTP1.1
Fri, 21 Jun 2024 12:10:00 GMT