Work calendar tools
Choose a rule. Preview dates. Export to your calendar.
WCalendar is a small workbench for shift schedules, business-day counts, pay periods, ICS files, and add-to-calendar links.
15
Tools
ICS
Calendar files
0
Accounts
Live tool flow
4 on 4 off schedule preview
1 Configure
Start date and pattern
2 Preview
Generated work dates
3 Export
ICS or CSV download
Choose your task
Start with the outcome you need. Each page opens directly on a working tool with preview and export controls.
Most common
Build a shift calendar
4 on 4 off, 2-2-3, 24/48, or a custom work/off cycle.
Output: ICS + CSV
Open shift tools
Workday math
Count business days
Calculate working days between dates and export the list.
Output: CSV + ICS
Count days
Payroll planning
Generate pay periods
Create biweekly periods and paydays for 2026 or 2027.
Output: ICS + CSV
Build pay periods
Event sharing
Create calendar links
Make an ICS file or add-to-calendar links for one event.
Output: Links + ICS
Create links
Core tools
Every tool follows the same pattern: configure your schedule, preview the generated dates, and export a file to your calendar app.
Shift calendars
Shift Calendar Generator
Build a repeating work/off pattern, preview the dates, and export ICS or CSV files.
Output: ICS + CSV
Shift calendars
4 On 4 Off Shift Calendar
Start with a locked 4 work days, 4 off days pattern and adjust the start date or export options.
Output: ICS + CSV
Shift calendars
2-2-3 Shift Calendar
Create a 2 work days, 2 off days, 3 work days schedule with calendar export.
Output: ICS + CSV
Shift calendars
24/48 Shift Calendar
Generate a 24 hours on, 48 hours off duty calendar from your start date.
Output: ICS + CSV
Work schedules
9/80 Work Schedule Calendar
Preview a two-week 9/80 work schedule with flex day labels and exports.
Output: ICS + CSV
Workday calculators
Business Days Calculator
Count business days between two dates with optional US federal holiday exclusions.
Output: CSV + ICS
Workday calculators
Business Days Between Dates
Count weekdays between two dates with optional US federal holiday exclusions.
Output: CSV + ICS
Workday calculators
Add Business Days Calculator
Add or subtract business days from a start date while skipping weekends.
Output: CSV
Workday calculators
Working Days in 2026
Preview and export all 2026 working days with weekends and optional holidays excluded.
Output: CSV + ICS
Workday calculators
Working Days in 2027
Preview and export all 2027 working days with weekends and optional holidays excluded.
Output: CSV + ICS
Date lookup
Week Number Calculator
Find ISO week number, US week number, weekday number, and day of year.
Output: CSV
File and payroll utilities
Create single event files, add-to-calendar links, or generate biweekly pay period tables for the year you need.
Pay periods
Biweekly Pay Period Calendar 2027
Generate 2027 biweekly pay period start dates, end dates, and paydays.
Pay periods
Biweekly Pay Period Calendar 2026
Generate 2026 biweekly periods from your own first period start date.
Calendar files
ICS File Generator
Create a single calendar event file for Google Calendar, Outlook, or Apple Calendar.
Calendar links
Add to Calendar Link Generator
Create Google Calendar, Outlook, and Yahoo links with an ICS fallback.
Open a prefilled example
Click any example to open a tool with ready-to-use settings. You can adjust the dates and export options before downloading.