Printable year-on-a-page and monthly calendars with holidays, as PDF, image or print.
- One pagewhole-year calendar
- Letter · A4paper sizes
- 1900–2100every weekday tested
Try it here
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On the site you print it or save it as a PDF or image.
From October on, it opens on next year’s calendar
- Pick the yearUse the arrows beside the year to move between 2025 and 2030.
- Choose a layoutUnder ‘Choose a layout’, tap ‘Year · landscape’, ‘Year · portrait’, ‘12 monthly pages’ or ‘One month’ and the preview changes to match.
- Change settings‘Change settings’ sets the week start, paper (Letter or A4) and holidays (United States, South Korea or None), and monthly pages with South Korea holidays can also show lunar dates and solar terms.
- Download or print‘Download PDF’ saves exactly what the preview shows, with ‘Print’ and ‘Save as image’ right beside it.
It can also
What it checks and discloses
US federal holidays for 2026 and 2027 were checked day by day against the Office of Personnel Management schedules, Korean holidays against the official announcements, and weekdays are tested for every day from 1900 to 2100.
New Year’s Day 2028 is marked on Friday, Dec 31, 2027
Rules and sources
- US federal holidays
- Federal holidays under 5 U.S.C. 6103, plus the weekday off when one falls on a weekend, as in the OPM schedule.U.S. Office of Personnel Management: Federal Holidays · Checked Oct 10, 2026
- South Korea: holiday rules
- Computed from the Regulations on Holidays of Government Offices as amended on April 30, 2026, substitute holidays included. That amendment made Labor Day (May 1) and Constitution Day (July 17) public holidays from 2026.Regulations on Holidays of Government Offices (Korean, National Law Information Center) · Checked Oct 9, 2026
- South Korea: days off in 2027
- 72 public holidays counting Sundays, or 119 days off for a five-day work week.Korea AeroSpace Administration: 2027 almanac notice (Korean) · Checked Oct 9, 2026
- South Korea: 2028 holidays
- 2028 uses astronomical almanac data published before the official notice, and the printed sheet labels it as pre-announcement data.Korea Astronomy and Space Science Institute: calendar data (Korean)
- Korean lunar dates and solar terms
- Korean lunar dates follow a table based on Korea Astronomy and Space Science Institute data for 1912 to 2049, cross-checked against an independent astronomical calculation. Solar terms appear only for 2025 to 2028, and moving days (son-eomneun-nal) are lunar dates ending in 9 or 0.Korea Astronomy and Space Science Institute: calendar data (Korean)
2029 and 2030 are projected from the rules, so election days and one-off holidays are added once they are announced.
4 guides
PDFs made with your own settings now keep sharp, real text
File names now show changed settings with tags such as -mon and -bw.
Holidays can now be set to ‘None’ for a plain calendar.
Settings are now kept in the page address, so a saved link reopens the same calendar.
Printed calendars no longer cut names with ‘…’ or ‘+N more’, and long holiday names wrap to two lines.
PDFs made with your own settings now keep real text instead of a blurry image.
Onesheet launched in English and Korean.
