"Sun, 23 Feb 2025 12:43:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250223
Only TIME
12:43:55
General datetime
2025-02-23 12:43:55Z
For Database
2025-02-23 12:43:55
For HTTP1.1
Sun, 23 Feb 2025 12:43:55 GMT