"Sat, 27 Apr 2024 16:24:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240427
Only TIME
16:24:21
General datetime
2024-04-27 16:24:21Z
For Database
2024-04-27 16:24:21
For HTTP1.1
Sat, 27 Apr 2024 16:24:21 GMT