Blog
By Siavash Ghanbari · Founder of Emojar
📅7 Practical Ways to Use a Day of the Week Calculator
From planning a birthday party to checking an old letter's date, here are seven real situations where knowing the weekday of a date saves time.
Tool GuideDate & TimeDatesCalendar🕐7 Time Zone Myths That a World Clock Quietly Corrects
Not every zone is a whole hour, not every country changes its clocks, and the gap between two cities isn't fixed. Common time zone myths, with real examples.
Tool GuideDate & TimeTime ZonesRemote Work🕘Filling In a Weekly Time Card: Three Real Weeks, Worked Through
An office week, a run of night shifts and a four-day 10-hour schedule, each totaled with breaks and overtime so you can check your own pay.
Tool GuideDate & TimeTime CardOvertime⏰How a Browser Alarm Clock Works and When You Can Trust It
Why an online alarm needs an open tab and an awake device, how sounds and snooze work behind the scenes, and when your phone alarm is the safer choice.
Tool GuideDate & TimeAlarmsTime➕How to Calculate a Deadline by Adding Days to a Date
Six everyday deadline calculations - 90-day windows, business-day turnarounds, month-end renewals and countdowns backward from an event - with worked answers.
Tool GuideDate & TimeDatesDeadlines💼How to Count Business Days Between Dates, Excluding Holidays
A checklist for accurate working-day counts - inclusive dates, the right weekend, observed holidays and holidays that fall on weekends - with 2026 examples.
Tool GuideDate & TimeDatesBusiness⏳How to Create a Countdown Link Anyone Can Open
Make a live countdown to a launch, trip or deadline and share it as a plain link that shows the right time in every time zone - no account or app needed.
Tool GuideDate & TimeCountdownsEvents🌍How to Schedule a Meeting Across Time Zones Without Mistakes
A worked example of planning a call between London, New York, California and India, including the daylight saving weeks that quietly shift everyone's time.
Tool GuideDate & TimeTime ZonesRemote Work🗓️ISO 8601 vs RFC 2822 vs Unix Time - Date Formats Compared
Which date format should you use in an API, a log file, an email header or a spreadsheet? A side-by-side comparison with examples and parsing pitfalls.
Tool GuideDate & TimeDevelopersTime📆ISO Week Numbers Explained: Why Some Years Have 53 Weeks
How ISO 8601 week numbers work, why 1 January can be in week 53, how 2026 ends up with 53 weeks, and why your US calendar may show a different number.
Tool GuideDate & TimeDatesCalendars🗓️Printable Calendar Layouts: Month vs Year, A4 vs Letter
Monthly pages or a one-page year? Monday or Sunday start? A4 or US Letter? A quick decision guide to printing a calendar you will actually use.
Tool GuideDate & TimeCalendarPrinting🗺️Why Is It Night There? How to Read a Live Day and Night Map
How the shaded night side of a world map is calculated from the sun's position, what the 15° stripes mean, and how to compare UTC offsets and daylight saving.
Tool GuideDate & TimeTime ZonesMaps↔️Why Your "Days Between Dates" Count Is Off by One
Counting days between two dates gives different answers depending on whether you count nights or days. How to get the number you actually need, with examples.
Tool GuideDate & TimeDatesCalculators🕰️What Is a Unix Timestamp? Epoch Time Explained Simply
How Unix time counts seconds from 1970, why some timestamps have 13 digits, what the year 2038 problem is, and how to convert epoch time to a readable date.
Tool GuideDate & TimeDevelopersTime📆Convert Dates Between DD/MM/YYYY, MM/DD/YYYY and ISO 8601
Switch dates between day-first, US month-first and ISO formats, one or hundreds at a time, without guessing on ambiguous dates like 03/04/2026.
Tool GuideDate & TimeDatesFormats🍅The Pomodoro Technique: A Practical Checklist That Works
How a 25/5 Pomodoro cycle adds up, a checklist for before, during and after each session, and when to switch to longer 50/10 blocks for deep work.
Tool GuideDate & TimeProductivityFocus⏲️Online Timer Alarm Didn't Go Off? Causes and Fixes
Silent alarms, missing notifications and late alerts in background tabs usually have simple causes. Here's how to check each one before you rely on a timer.
Tool GuideDate & TimeTimeTroubleshooting⏱️Lap Time vs Split Time, and How to Time Intervals Well
A lap is the time since your last tap; a split is the total time so far. A worked running example, pacing math, and tips for timing anything accurately.
Tool GuideDate & TimeTimeFitness