Date Add / Subtract Calculator
About Weekday Calculator
The Weekday vs. Weekend Date Classifier & Business Day Counter determines whether any given date falls on a working weekday (Monday-Friday) or weekend (Saturday-Sunday), and calculates total business working days within arbitrary calendar ranges.
How to Use Weekday Calculator
Step 1
Enter or select a date.
Step 2
Review whether the date is a Weekday or Weekend.
Step 3
View adjacent preceding/next business days.
Step 4
Click "Copy Working Status".
Practical Use Cases for Weekday Calculator
Financial Settlement & Clearing House Banking Days
Verify whether financial transactions, ACH transfers, and stock trade settlements (T+1 / T+2) occur on open banking weekdays.
Human Resources Working Day & Shift Scheduling Audits
Audit monthly employee timesheets to count total eligible working weekdays excluding weekend days.
Input & Output Examples
Checking October 24, 2026
Date: `October 24, 2026`
Classification: `Weekend (Saturday)` | Is Working Day: `No` | Next Business Day: `Monday, Oct 26, 2026`
Key Features & Performance
- ✓Instant Classification: color-coded badge indicating Weekday (Working Day) vs. Weekend.
- ✓Next/Previous Business Day finder: seamlessly rolls weekend dates to the nearest preceding Friday or following Monday.
- ✓Date Range Business Counter: computes total weekdays in any given month or custom date range.
- ✓100% Client-Side memory execution.
- ✓1-Click Copy weekday status.
Key Terminology & Definitions
Business Working Day
An official working day of the week (Monday, Tuesday, Wednesday, Thursday, Friday) during which commercial banks and corporations operate.
Next Business Day Convention
A financial standard where payments falling on a weekend are automatically deferred to the immediate next open business weekday.