Printable Yearly Calendar Generator | A4 • USA Holidays
CalendarCreate a free printable yearly calendar on a single A4 page. Customize U.S. holidays, birthdays, personal events, colors, and layouts.
Calendar & Date Tools
Our free collection of calendar tools helps you build printable US calendars, compute and manipulate dates, set countdowns for important events, and explore moon phases and other astronomical date data. Tools are grouped into helpful categories — choose a tool to open its dedicated page with examples and usage guidance.
Calendar Creators
Create printable calendars for any year using our easy-to-use calendar generators. Customize layout, fonts, colors, week start day, holidays, moon phases, and personal events to build single-page or multi-month designs. Perfect for planners, offices, families, and teachers who want clean, printable US calendars with optional event or holiday highlights.
Date Calculators
Our date calculators help you add or subtract days, find the difference between dates, check weekdays, calculate business days, and determine ISO or US week numbers. These tools are perfect for scheduling, planning, payroll, academic timelines, deadlines, and any task that requires accurate date and time calculations.
Add or Subtract Days from a Date | Date Calculator (Days, Weeks, Months, Years)
Need to add or subtract days from a date? Enter a starting date and instantly calculate future or past dates, including weekday and ISO week number. Supports days, weeks, months, and years.
Age Calculator – Calculate Age in Years, Months, and Days
Calculate your exact age in years, months, days, and even hours. This free online age calculator also shows upcoming birthdays, total days lived, and age details for any date.
Business Days Calculator – Exclude Weekends & US Federal Holidays
Calculate working days between two dates, excluding weekends and US federal holidays. Add custom holidays or exceptions for accurate business-day results.
Date Calculator – Calculate Days, Weeks, Months & Years Between Two Dates
Calculate the difference between two dates in days, weeks, months, and years. Choose inclusive or exclusive end dates and view results in multiple formats.
Week Number Calculator – ISO Week & US Week Number for Any Date
Find the ISO week number (Monday-start) and the US week number (Sunday-start) for any date. Includes weekday details and helpful week-based info.
Weekday Calculator – Find the Day of the Week for Any Date
Find the weekday for any date. Includes ISO week number, US week number, and US holiday information.
Countdown Tools
Count down to important dates and events with real-time countdown timers. Track time remaining until holidays, birthdays, deadlines, launches, vacations, and personal milestones. These countdown tools update automatically and work on both desktop and mobile, making event tracking easy and engaging.
Astronomical Tools
Explore moon phases and other astronomical dates with accurate, easy-to-read lunar tools. Find the moon phase for any date, check illumination, moon age, and upcoming New Moon or Full Moon dates. Ideal for photographers, gardeners, sky enthusiasts, and anyone who plans activities around the lunar cycle.
Other Tools
Miscellaneous utilities detected in the tools folder.