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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.

1637 guides.

Calendar 4 min read

Guy fawkes day

Guy Fawkes Day is 5 November in Britain and some Commonwealth places. It marks the failed Gunpowder Plot of 1605. It is Bonfire Night, not a UK bank holiday, and it is not 11 November.

By Online Alarm Clock

Holidays 4 min read

Guyana christmas

Christmas in Guyana is 25 December, a public holiday, with 26 December also a public holiday. The season is food, family, church for many Christians, and street masquerade, in a tropical December.

By Online Alarm Clock

Time 4 min read

Gym exercise routine

A gym exercise routine is the order of movements inside one session: what you do first, what you do next, and when you stop. It is a sequence, not a weekly calendar.

By Online Alarm Clock

Work and study 4 min read

Gym workout routine

A gym workout routine is a weekly plan of sessions, lifts, and rest days you can repeat. It is a calendar for training, not a random pile of machines you liked this morning.

By Online Alarm Clock

Holidays 4 min read

H e b hours easter

H-E-B hours on Easter are a close for ordinary stores: grocery, curbside, and home delivery shut for the Sunday. Shop Saturday. Monday returns to regular hours.

By Online Alarm Clock

Hours and minutes 4 min read

Habitat for humanity hours

Habitat for Humanity hours belong to each local affiliate, not to one national door. ReStore shopping, donation drop-off, and volunteer builds are separate clocks. Read the local listing before you le

By Online Alarm Clock

Hours and minutes 4 min read

Half an hour

Half an hour is 30 minutes, 0.5 hours, or 1,800 seconds. Half hour, half of an hour, half and hour, and hour half name that same span.

By Online Alarm Clock

Calendar 4 min read

Half days

A half day is a calendar date whose school or work session is scheduled shorter than a full day, usually by sending people home early. The civil date is still a full midnight-to-midnight day.

By Online Alarm Clock

Holidays 4 min read

Halloween before christmas

Halloween is October 31. Christmas is December 25. Halloween comes first each year. Halloween is widely observed in the United States; it is not a federal holiday. Christmas Day is.

By Online Alarm Clock

Hours and minutes 4 min read

Handels hours

Handels hours usually refers to hours of trade or business operation. To act on them, identify the organization, location, date, and local time zone, then confirm the schedule through the organization

By Online Alarm Clock

Hours and minutes 4 min read

Hannaford hours

Hannaford hours are posted by each supermarket. Many New England stores open in the early morning and close in the late evening. The pharmacy desk is often shorter. Check that address.

By Online Alarm Clock

Calendar 4 min read

Happy administrative professionals day

“Happy Administrative Professionals Day” is a greeting for the Wednesday of the last full week of April in the United States and Canada. The day is an unofficial workplace observance, not a public hol

By Online Alarm Clock

Calendar 4 min read

Happy friends day

Happy Friends Day is a greeting for Friendship Day, which does not sit on one worldwide date. The United Nations marks 30 July. Many places instead use the first Sunday in August.

By Online Alarm Clock

Calendar 4 min read

Happy friendship day

“Happy Friendship Day” is a greeting used to celebrate friends and the bonds between people. In the United States, National Friendship Day is commonly marked on the first Sunday in August; the United

By Online Alarm Clock

Holidays 4 min read

Happy holiday animated gifs

A happy-holiday animated GIF is a short looping picture, usually without sound, sent as a greeting. It plays a few frames over and over in chats, mail, and posts that accept the GIF format.

By Online Alarm Clock

Holidays 4 min read

Happy lunar new year

Happy Lunar New Year is a greeting for the new year that follows a lunisolar first month, not 1 January. In the Chinese calendar that first day was 17 February in 2026 and will be 6 February in 2027.

By Online Alarm Clock

Calendar 4 min read

Happy national bf day

“Happy National BF Day” is a greeting for National Boyfriend Day on October 3. The label is unofficial. Banks, schools, and last collections ignore it.

By Online Alarm Clock

Holidays 4 min read

Happy new year and chinese

Happy New Year and Chinese greetings name two different turns of the year. 1 January is the Gregorian civil new year. Happy Chinese New Year belongs to Spring Festival, in late January or February, no

By Online Alarm Clock

Holidays 4 min read

Happy new year mandarin

Happy new year in Mandarin is 新年快乐, xīn nián kuài lè. It greets the lunar Spring Festival, not 1 January on the Gregorian calendar.

By Online Alarm Clock

Calendar 4 min read

Happy women s day

“Happy Women’s Day” is an appropriate greeting for International Women’s Day on March 8. Make it warmer by naming the person’s contribution or expressing respect, while avoiding stereotypes about appe

By Online Alarm Clock

Hours and minutes 4 min read

Harbor freight hours

Harbor Freight stores typically open Monday through Saturday from 8:00 a.m. to 8:00 p.m. and Sunday from 9:00 a.m. to 6:00 p.m., but you should still confirm the location you plan to visit.

By Online Alarm Clock

Hours and minutes 4 min read

Harris teeter hours

Harris Teeter hours are set by each store. Many locations open early, often around 6:00 a.m., and stay open into the late evening; the store finder is the schedule for that building.

By Online Alarm Clock

Tools 4 min read

Hash based message authentication code

A hash based message authentication code, also written hash-based message authentication code or HMAC, mixes a secret key with a cryptographic hash so the other party can check that a message was not

By Online Alarm Clock

Tools 4 min read

Hash brown egg bake

A hash brown egg bake is a pan of shredded potatoes and beaten eggs, baked until the eggs set. An egg bake with hash browns is the same dish: potatoes on the bottom or mixed through, eggs poured over,

By Online Alarm Clock

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.
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