"Sun, 29 Dec 2024 11:52:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
11:52:55
General datetime
2024-12-29 11:52:55Z
For Database
2024-12-29 11:52:55
For HTTP1.1
Sun, 29 Dec 2024 11:52:55 GMT