"Sat, 27 Apr 2024 22:22:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240427
Only TIME
22:22:21
General datetime
2024-04-27 22:22:21Z
For Database
2024-04-27 22:22:21
For HTTP1.1
Sat, 27 Apr 2024 22:22:21 GMT