"Sun, 31 Mar 2024 18:05:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240331
Only TIME
18:05:55
General datetime
2024-03-31 18:05:55Z
For Database
2024-03-31 18:05:55
For HTTP1.1
Sun, 31 Mar 2024 18:05:55 GMT