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Calculate business days between two dates with optional public-holiday list. Useful for project deadlines and SLAs.
This business days calculator runs 100% in your browser. Nothing you paste, drop, or generate ever leaves your device - no analytics on your input, no uploads, no logs.
Use the custom list - easier to keep accurate.
Same browser-only philosophy. Free, no signup, no upload.
Find the gap between two dates in years, months, days, weeks, and hours.
Calculate exact age in years, months, days, hours, and minutes from any birth date.
Convert times across global time zones with DST awareness.
All-in-one percentage calculator - what is X%, % change, X is what % of Y.
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Calculate monthly loan payment, total interest, and amortization schedule.
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