"Sat, 10 Aug 2024 15:20:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240810
Only TIME
15:20:00
General datetime
2024-08-10 15:20:00Z
For Database
2024-08-10 15:20:00
For HTTP1.1
Sat, 10 Aug 2024 15:20:00 GMT