"Tue, 25 Feb 2025 20:37:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250225
Only TIME
20:37:55
General datetime
2025-02-25 20:37:55Z
For Database
2025-02-25 20:37:55
For HTTP1.1
Tue, 25 Feb 2025 20:37:55 GMT