"Sat, 27 Jan 2024 22:18:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240127
Only TIME
22:18:00
General datetime
2024-01-27 22:18:00Z
For Database
2024-01-27 22:18:00
For HTTP1.1
Sat, 27 Jan 2024 22:18:00 GMT