45-Day Calculator
Add or subtract 45 calendar or business days from any date
📅 Business Day Mode
📤 Export to Calendar
🌎 Timezone Aware
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Enter a date to calculate
Calendar Preview
Common 45-Day Scenarios
📝 Legal Deadlines
"Many contract clauses require action within 45 calendar days of notice."
💳 Credit Card Disputes
"Banks typically allow 45 business days to dispute unauthorized charges."
Frequently Asked Questions
What's the difference between calendar days and business days?
Calendar days include all days, while business days typically exclude weekends and public holidays. 45 business days usually equals about 9 weeks.