"Sat, 27 Apr 2024 12:13:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240427
Only TIME
12:13:45
General datetime
2024-04-27 12:13:45Z
For Database
2024-04-27 12:13:45
For HTTP1.1
Sat, 27 Apr 2024 12:13:45 GMT