
KARL Business Day Calculator
Business Day Calculator Pro
0 ratings
Free
About
KARL is the precise business day and deadline calculator for legal and financial workflows.
Whether contract deadlines, settlement dates, or compliance deadlines - calculate business days reliably and document every step with full audit trace.
For Lawyers, Bankers & Finance Professionals
BUSINESS DAY CALCULATOR (T+N)
Add or subtract N business days from a start date - non-business days are automatically skipped
ROLL CONVENTIONS
Adjust dates according to common market standards (Following, Preceding, Modified Following, Modified Preceding, Unadjusted)
LEGAL DEADLINE CALCULATION
Calculate statutory deadlines according to German law (BGB) with start rule, period (days/weeks/months/years), and optional business day adjustment
COUNT BETWEEN
Count business days between two dates - including or excluding boundaries
CALENDAR OVERVIEW
Visualize months/years with holiday lists and business/non-business marking per day
AUDIT TRACE WITH PROOF
Tabular documentation for each date with business day status, reason, and counter-check for plausibility verification
EXPORT & SHARE
Share reports as text, send via email, or copy directly to clipboard
Supported Calendars:
Germany (all federal states), UK Bank Holidays (England & Wales, Scotland, Northern Ireland), US Federal Holidays, TARGET2 (EU Payments)
KARL doesn't just show you the result - it documents every calculation step. Perfect for contracts, compliance documentation, and when every day counts.
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What's New in KARL Business Day Calculator
2.0
February 19, 2026
New Dark Mode enabled via the Info-section; Added Information content and Legal Deadline calculation can be done for all supported Calendars including. TARGET2 (EU), US and UK!
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