Date difference
This tool compares two local dates at midnight and reports signed elapsed-day measures. The complete operation runs in temporary browser memory, so the input is never uploaded or stored by LocalKit.
The input stays available if you need to adjust a setting.
How to use date difference
- 1
Add the source values or files shown in the workbench.
- 2
Choose the settings for date difference.
- 3
Run the tool, inspect the local result, then copy or download it.
A realistic example
Measure the exact number of days and weeks between a project start and launch date. The source and generated result remain in this browser tab throughout the operation.
Supported formats and limits
Input: two calendar dates. Output: day, week, and millisecond metrics.
- The day calculation uses local calendar dates and ignores times of day.
- Available memory and browser limits still apply to very large inputs.
Questions people ask
What does date difference change?
This tool compares two local dates at midnight and reports signed elapsed-day measures.
Is any input sent to a server?
No. LocalKit performs this operation in your current browser tab.