Ready-made calendars of dates you can import into your own timers.
Astronomy dates for 2026: June solstice, September equinox, December solstice, total solar eclipse and partial lunar eclipse, all timed in UTC for planning.
Daylight saving time dates for 2026 and early 2027 in the US, UK and EU, with clock-change timers, exact instants and clear local-time caveats for planning.
Future 2026 marathon major dates for Sydney, Berlin and Chicago, with city time zones and race-day detail reminders for runners planning race travel plans.
Future Node.js, .NET and PHP end-of-support dates in one importable calendar, with passed releases removed and vendor schedules kept clear for upgrades.
Official WHO global health days and weeks from July 2026 through June 2027, with importable reminders for health teams, NGOs and campaign planning work.
UCAS 2027 entry deadlines for UK undergraduate applications, including October courses, equal consideration, Extra, Clearing and final application dates.
England and Wales bank holidays left in 2026, with summer bank holiday, Christmas Day and the Boxing Day substitute date from GOV.UK for planning time off.
UK Self Assessment deadlines for the 2025 to 2026 tax year, covering registration, paper and online returns, payment and payments on account due dates.
FOMC meeting dates 2026 with remaining Federal Reserve statement days, 2:00 p.m. Eastern release times, and SEP meetings marked for calendar planning.
SAT registration deadlines for August 2026 to June 2027 test dates, with each official College Board test date kept in the reminder notes for students.
US estimated tax deadlines 2026 for remaining individual quarterly payments, the January 2027 installment, and the expected Form 1040 filing date ahead.
US federal holidays 2026 from Juneteenth onward, using official OPM holiday names and observed dates for government offices, payroll, and leave planning.
Remaining 2026 National Park Service fee-free entrance days, with US resident eligibility, Independence Day weekend, and timed-entry reservation notes.
US stock market holidays 2026 with NYSE and Nasdaq closures, observed dates, and the remaining early closes after June for planning trades and deposits.