"Sun, 27 Oct 2024 15:30:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241027
Only TIME
15:30:00
General datetime
2024-10-27 15:30:00Z
For Database
2024-10-27 15:30:00
For HTTP1.1
Sun, 27 Oct 2024 15:30:00 GMT