Best Obscure Holiday Calendar Apps

National Calendar Hub

Holiday & Celebration Days

Free

Discover national and international holidays, learn their history, and engage with daily trivia. Stay updated on global celebrations and cultural traditions with this app.

SG Next Holiday

2024 & 2025 Singapore Holidays

Free

This app provides a clear and simple way to view Singapore's public holidays. It highlights upcoming holidays and offers optional in-app purchases for calendar integration and countdown modes.

Checkiday - Holiday Calendar

Today's worth celebrating.

Free

Discover holidays and observances for any given day. Learn more about each event by clicking on it. Share your favorite celebrations with friends.

Holidate - Holiday Calendar

Worldwide Holiday & Planner

Free

Plan your year with a comprehensive holiday calendar. Track public holidays worldwide, manage personal religious observances, and optimize vacation days. Get smart notifications and live countdowns.

That's a Day?

Every day is a holiday.

Free

Discover a vast calendar of over 2,000 unique holidays, from the well-known to the quirky. Each day offers a celebration with its origin story, fun facts, and suggested activities. Share the fun with friends and family through shareable cards.

Calendar - 2026

2026 Calendar Planner,Reminder

Free

This daily planner and reminder app helps you organize tasks, meetings, and events with customizable views and notifications. It offers to-do lists, checklists, and the ability to add locations and notes to your schedule.

On This Holiday: National Days

Daily Celebrations & Widgets

Free

Discover daily celebrations, traditions, and observances with this colorful guide. Explore backstories, fun facts, and ideas for participation. Features include widgets and notifications to keep you informed.

PocketLife Calendar

Calendar Organizer & Reminders

Free

Organize your life with a stylish and intuitive calendar app. It offers powerful customization, seamless syncing with popular services, and natural language event creation. Share events, set reminders, and personalize your calendar views.

National Day Widget

Aesthetic holiday calendar

Free

Discover and celebrate unique holidays every day with a customizable home screen widget. Learn interesting facts and traditions behind each unusual celebration, adding joy and curiosity to your routine.

Sea Calendar: Countdown Widget

Custom Wallpaper, Todo Planner

Free

Transform your device into a visually stunning and functional planner. This app lets you customize your schedule with color-coded events and create beautiful, live countdown widgets for your home screen. Seamlessly sync with your existing calendar and manage all your important dates in one place.

Calendar®

Make Your Own Desktop Calendar

$4.99

Design personalized monthly and yearly calendars using your own photos. Save them as PDF files, print them, or share them with friends. Supports a wide range of languages for global usability.

US Holiday Calendar

very simple calendar for you

Free

A straightforward calendar app designed for users in the United States. It displays official and local holidays, observances, and allows for event notifications and personal notes.

Himekuri Calendar

Manual flip calendar

Free

This app simulates a manual flip calendar, allowing you to physically turn the pages each day. It syncs with your iOS calendar to display events and holidays, offering a nostalgic and tactile way to track your schedule.