"Tue, 18 Jun 2024 12:35:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
12:35:00
General datetime
2024-06-18 12:35:00Z
For Database
2024-06-18 12:35:00
For HTTP1.1
Tue, 18 Jun 2024 12:35:00 GMT