devLocal developer utility
Working Day Calculator
Count weekdays inclusively, excluding optional holiday dates. Your input stays in your browser while you work.
Working Day Calculator🔒 Processed locally
How to use Working Day Calculator
Complete the labeled fields above, choose an action, and inspect the result before copying or downloading it.
Processing runs locally in this browser. No input is uploaded or sent to a conversion service.
Inputs
- Start date
- End date
- Holidays (YYYY-MM-DD, one per line)
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