City year
A City Year is an AmeriCorps service term on a school-year calendar, usually about eleven months from a summer start. It is not a city’s budget year, though both are calendars with a named beginning.
Guides — how to use clocks, alarms and time zones
Long reads about time: alarms, sleep, time zones, daylight saving and counting days.
This is the index of every guide on this site: short, practical instructions for our clocks, timers, countdowns, and the word counter. Pick the tool you need below, and its guide will walk you through it in a few minutes.
673 guides in “Calendar”.
Columbus day
Columbus Day is a United States federal holiday on the second Monday in October. In 2026 that Monday is October 12. Today is Columbus Day only if that is today's date.
Compute days between dates
To compute days between dates, convert each date to a day number on one scale and subtract. That difference is how many days in between two dates as elapsed midnights.
Constitution day
Constitution Day in the United States is 17 September, the anniversary of the 1787 signing in Philadelphia. It is a federal observance, not a paid day off. Banks stay open.
Cousins day
National Cousins Day is commonly listed on 24 July. It is unofficial and does not close banks. 24 July 2026 was a Friday. After 3 September 2026 the next one is Saturday 24 July 2027.
Crowns same day
Crowns same day means a dental crown made and fitted on one civil date, so the diary holds a single visit instead of two appointments weeks apart.
Crunch day pass
A Crunch day pass is a one-day visit to a Crunch club, sold or offered at that location. Whether you can walk in on a weekday night or only while the desk is staffed depends on that club.
Current iso week number
The current ISO week number must be calculated from today’s date in the relevant time zone. Use an ISO-aware calendar or date function; the ISO week can differ from a simple count starting on January
Current week count
The current week count on 3 September 2026 is 36 if you mean the ISO week number. That integer labels the week you are in. It is not a running score of unfinished weeks, and it is not 52 minus a guess
Custodian appreciation day
Custodian Appreciation Day is an unofficial thank-you date on October 2. It honors janitors and custodial staff in schools, hospitals, and offices. It is not a paid public holiday.
D day meaning
D-Day, in ordinary speech, means 6 June 1944, the Allied landings in Normandy. In military planning, D-Day is simply the unnamed day an operation starts.
Danger days
Danger days are calendar dates a forecast or agency marks as hazardous — heat, fire weather, storms, or poor air — not a public holiday with one national date. The mark is a warning on a day you alrea
Date today s date
Today’s date is the calendar day in your local zone: year, month, and day. It changes at local midnight, so two places can disagree about the date at the same instant.
Dates benefits
The benefit of a date is that you can count from it. A start date and an end date turn a vague stretch of time into a number of days you can check.
Day 1 cpt
Day 1 CPT is Curricular Practical Training authorized to begin on the first day of a qualifying program. It is a start-date label on ordinary CPT, not a separate visa. The day count starts on the date
Day day name
A day day name is the weekday label: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday. If week days means Monday through Friday, a year holds 260, 261, or 262 of them.
Day memes
Day memes are jokes locked to a named weekday: Monday slog, Wednesday halfway, Friday release. They work because the seven-day cycle repeats, so the same caption can run again next week.
Day number
Today’s day number is the ordinal of the date in the year, counting 1 January as day 1. On 3 September 2026 that number is 246 of 365.
Day of the dead celebration
Day of the Dead, or Día de Muertos, is a Mexican remembrance of the dead, kept mainly on 1 and 2 November. It is not Halloween, and it is not a U.S. federal holiday.
Day of the dead flowers
Day of the Dead flowers are the orange-gold marigolds called cempasúchil, used in Mexico on 1 and 2 November. They mark Día de Muertos. They are not a separate public holiday of their own.
Day of the dead for pets
Day of the Dead for pets is a household custom of remembering dead animals during Día de Muertos, not a separate public holiday. The traditional Mexican days remain 1 and 2 November.
Day of the dolphin
Day of the Dolphin is not one civic close. Unofficial calendars print National Dolphin Day on 14 April. World Dolphin Day is 12 September. The 1973 film uses the same English title.
Day of the republic
Day of the Republic is a name many countries use for different dates. India’s Republic Day is 26 January. China Republic Day in English often means 10 October in Taiwan, not 1 October in the People’s
Day of the virgin of guadalupe
The Day of the Virgin of Guadalupe is 12 December, the Catholic feast of Our Lady of Guadalupe. Advent has not started yet on this Thursday. The next square is Saturday 12 December 2026.
How to use All guides
Scan the list and open the page that matches your task. Every guide follows the same shape: what the tool does, how to start it, what the controls mean, and a short FAQ built from questions readers actually send. None of the tools require an account or an installation — each one runs in an ordinary browser tab, and its guide points out the two or three things worth knowing before you press the first button.
Guides for the word counter and other writing tools
The most visited guide here explains the online word counter: paste a draft, read the totals, and see whether your essay, ad, or post fits its limit. If you write to a length requirement — school assignments, application letters, meta descriptions — start there. The guide also covers the habits that make counting useful, like checking the total before you trim rather than after, so you know exactly how much has to go instead of cutting blind.
Guides for clocks, timers, and countdowns
Most of the collection deals with time. There are guides for the stopwatch, the tally counter, the holiday countdown pages, and two longer reads that explain how time zones and daylight saving actually work. The explainers pair well with the live tools: read the theory once, then lean on the map and the converter whenever a meeting crosses an ocean. If you only ever open one, make it the daylight saving guide the week before the clocks change.
Stopwatch and timer basics — measuring up versus counting down Countdowns to Halloween, New Year, and other dates people wait for Time zones explained, and what daylight saving does to them Small tools: tally counter, coin flip, password generator, widgets
How the guides are written
Long manuals get skimmed; short ones get read. So each guide answers the main question in its first paragraph and keeps the details for people who scroll. If a page leaves your question unanswered, that is a defect by our own definition — the FAQ sections grow out of exactly those gaps, one reader at a time. A good guide is like a good referee: when it does its job, nobody remembers it was there.
Questions and answers
- Are the tools behind these guides free?
- Yes, all of them — including the free word counter, the stopwatch, and every countdown page. There is no premium tier hiding behind a button, and no sign-up gate in front of anything.
- Do I have to read a guide before using a tool?
- No. The tools are meant to be self-explanatory. The guides exist for the edge cases: the option you did not notice, the question that comes up halfway through the job.
- Where do new guides appear?
- On this page. When a tool or a longer explainer is added, its guide is listed here, so this index is always the complete picture of what the site can teach you.