SAP CPI dateTrans Function Returning Incorrect Date During Conversion

[#1]

We are using the dateTrans function in SAP Cloud Integration (CPI) to convert a datetime value from the format:

yyyy-MM-dd HH:mm:ss

to:

yyyy-MM-dd

However, the dateTrans function is producing an incorrect output.

Input

2026-10-07 18:15:00

Expected Output

2026-10-07

Actual Output

2027-03-07

The input date is being converted to a completely different date, even though the expected behavior is only to remove the time portion and retain the date.

Steps to Reproduce

1. Create a mapping in SAP Cloud Integration.
2. Use the dateTrans function for date conversion.
3. Provide the input value:

2026-10-07 18:15:00

1. Configure the conversion from:

yyyy-MM-dd HH:mm:ss to: yyyy-MM-dd