Time and Date

Find a working-day deadline with MiniWebtool’s Add Business Days to Date. Move forward or backward from a starting date using your workweek, selected holiday calendars, and custom days off, with options for handling a nonworking start date.

Mark more than the yearly date with MiniWebtool’s Anniversary Calculator. A starting date and reference date reveal time together, the next anniversary, and upcoming day-count milestones, with traditional and modern gift ideas for the anniversary year.

MiniWebtool’s Birth Day of the Week Calculator identifies the weekday of a Gregorian birth date. It also gathers birthday-related details such as birthstone and zodiac associations and shows the weekdays of upcoming birthdays.

Count working time between dates with MiniWebtool’s Business Days Calculator. Enter the start and end dates to inspect the working-day total and calendar breakdown; the displayed interval excludes the end date.

MiniWebtool’s Calendar generates a monthly or yearly calendar for years 1 through 3999. Select the period to view the layout or prepare a printable reference for planning.

Find a child’s exact age on the test date in years, months and days (Y;M;D) with MiniWebtool’s Chronological Age Calculator, with the borrowing worked out, total months and the corrected age for premature babies.

MiniWebtool’s Date Pattern Generator expands a recurrence rule into calendar dates. Choose daily, weekly, working-day, or monthly patterns, then set a count or end date and decide whether holiday occurrences stay, move, or drop.

Write a date in Roman numerals with MiniWebtool’s Date to Roman Numerals Converter. Day, month, and year are converted separately, with options for the component order and separator used in the final inscription.

MiniWebtool’s Day of the Week Calculator identifies the weekday of a selected date. It adds calendar and seasonal context, making it useful for checking the timing of a historical event or future occasion.

Check today’s day number or choose another date in MiniWebtool’s Day of the Year Calculator to see the day of the year, ISO week number and days remaining, with leap years included.

MiniWebtool’s Day of Year Calendar labels dates by their sequential number within a selected year. The visual calendar runs from day 1 to day 365 or 366, allowing quick date-to-ordinal lookup.

Count an interval with an explicit end-date choice in MiniWebtool’s Days Between Two Dates. Two dates and the include-end setting determine day totals, with weeks, calendar spans, and other time equivalents for comparison.

MiniWebtool’s Days in Month reports the length of a selected month and year. A calendar display and yearly overview make February’s leap-year difference visible alongside the other months.

Celebrate the point between birthdays with MiniWebtool’s Half Birthday Calculator. Supply your birth date to find the half-birthday date, its weekday, your half-age, and a countdown to the occasion.

Mark the midpoint of a project or the interval between two occasions. MiniWebtool’s Halfway Date Calculator finds the halfway date, adds quarter-point milestones, and presents progress on a printable timeline.

Move between Gregorian and Hebrew dates with MiniWebtool’s Hebrew Calendar Converter. It shows the converted date, Hebrew month, and weekday, along with holiday information and a countdown to the next festival.

Compare Gregorian and Islamic calendar dates with MiniWebtool’s Hijri Calendar Converter. It supplies the corresponding date, Arabic month details, and Ramadan and Eid countdowns; observed religious dates can vary with local moon-sighting conventions.

Measure the time elapsed since a past date with MiniWebtool’s How Long Ago Calculator. A live counter breaks the interval into familiar calendar and time units, with milestone information and a printable timeline.

Watch the remaining time to an event with MiniWebtool’s How Long Until Calculator. Choose a future date or date and time for a live countdown, then copy a summary or create a shareable link.

MiniWebtool’s Is it April Fool's Day? checks today’s date against April 1 and counts down to the next occurrence. Explore historical background, traditions, and notable pranks alongside the calendar answer.

See whether today is December 25 with MiniWebtool’s Is it Christmas?. When Christmas is still ahead, the live countdown shows the time remaining, with facts about celebrations around the world.

Convert a date and time between common machine-readable and human-readable formats. MiniWebtool’s ISO 8601 Date Formatter supports formats including ISO, RFC, HTTP/GMT, and Unix timestamps, and labels the parts of an ISO date string.

Convert a calendar date and time to Julian Date (JD), or convert JD back to a date, with MiniWebtool’s Julian Date Converter. View JDN and MJD alongside the day-of-year number.

MiniWebtool’s Lunar Calendar Converter translates Gregorian and Chinese lunisolar dates between 1900 and 2100. It includes leap-month information, zodiac and stem-branch details, and festivals associated with the converted date.

See today’s five prayer times (Fajr, Dhuhr, Asr, Maghrib and Isha) for your city with MiniWebtool’s Prayer Times, with a live countdown to the next prayer, your local calculation method, Hanafi Asr and the Qibla direction.

Put a date on the next chapter with MiniWebtool’s Retirement Countdown. A live timer tracks the time until retirement, alongside calendar perspectives such as remaining workdays, weekends, and paychecks.

MiniWebtool’s Sentence Reduction Calculator projects a release date from a sentence start, duration, and supplied credits. Percentage reductions and credited days are arithmetic inputs; actual eligibility and release rules depend on the jurisdiction.

Track elapsed time from a chosen quit date with MiniWebtool’s Sobriety Calculator. See a live count-up and upcoming milestones, with optional spending and consumption inputs to estimate money and items saved.

MiniWebtool’s Statute of Limitations Calculator estimates a US filing deadline from case type, state, and a supplied incident or discovery date. It provides general information; exceptions and tolling can change an actual legal deadline.

MiniWebtool’s Week Number Calculator compares ISO Monday-based weeks with a Sunday-based North American system. Enter a date or reverse from a week number to see its range and calendar context.

MiniWebtool’s World Clock displays current times for selected cities with differences between locations. Sun-position-based day and night markers help compare local conditions when coordinating across time zones.

MiniWebtool’s 📅 Date Calculator adds or subtracts years, months, weeks, and days from a starting date. The result includes a worked breakdown for planning a future date or tracing backward through the calendar.

Measure a calendar interval in MiniWebtool’s 📅 Date Difference Calculator. Choose two dates to see the elapsed span expressed in years, months, days, and other units, with visual context for the duration.

Convert decimal hours into clock-style duration with MiniWebtool’s Decimal to Time Converter. The fractional hour becomes minutes and seconds through a worked breakdown, useful when interpreting payroll or project-time entries.

Add and subtract hours, minutes and seconds, find the time between two clock times, or add time to a date with MiniWebtool’s Time Calculator, and see the answer as h:mm:ss and decimal hours.

MiniWebtool’s Time Duration Calculator finds elapsed time between two clock times or dates. Review the duration in hours, minutes, and seconds, with work-hour calculations for the selected mode.

Convert hours, minutes, and seconds to decimal time with MiniWebtool’s Time to Decimal Converter. A clock dial and calculation breakdown show how fractional hours are formed for timesheets or billing.

MiniWebtool’s Unix Time Converter converts a Unix timestamp to human-readable date/time or date/time to a Unix timestamp. It features a live clock, multiple timezone support, and various date formats.

MiniWebtool’s Work Hours Calculator totals daily shifts after breaks and summarizes weekly time. Set overtime and pay assumptions to review estimated earnings and print a timesheet for your records.

Set alarms with customizable sounds directly in the browser using MiniWebtool’s Online Alarm Clock, with no app install required. It supports multiple alarms, snooze and a beautiful live clock display.

MiniWebtool’s ⏰ Time Card Calculator totals a week of clock-in and clock-out entries after breaks. Review daily hours and overtime on a timesheet before using the totals in a payroll workflow.

Set a duration in MiniWebtool’s ⏱️ Countdown Timer and follow the remaining time on a circular progress display. Audio alerts and fullscreen mode support timing a task, break, workout, or cooking interval.

Total work sessions or task durations with MiniWebtool’s ⏱️ Hours Calculator. Add time and subtract breaks across up to 50 labeled rows, then read the result as hours, minutes, and seconds or decimal hours.

MiniWebtool’s Online Stopwatch is a professional digital stopwatch for sports, cooking and productivity, with lap timing, split times, visual lap comparison, keyboard shortcuts and exportable results.

MiniWebtool’s 🌐 Time Zone Converter translates a dated clock time between selected zones, accounting for daylight-saving rules. Compare several cities and inspect overlapping business hours when planning a meeting.

Switch between 12-hour and 24-hour notation using MiniWebtool’s 🕐 Military Time Converter. Enter a time such as 2:30 PM or 14:30 to see both forms, an accompanying clock, and a reference chart.

Find the fall equinox for either hemisphere in MiniWebtool’s Autumnal Equinox Day. Select a year from 2000 to 2038 to see the September or March event, a countdown, and its place in the seasonal timeline.

Find the exact date and time of the first day of autumn (fall equinox) for any year with MiniWebtool’s First Day of Autumn tool, including a countdown timer, hemisphere selection and comprehensive seasonal information.

Find the astronomical spring boundary in MiniWebtool’s First Day of Spring. Years 2000–2038 are supported for the Northern Hemisphere’s March equinox and Southern Hemisphere’s September equinox, with a countdown and seasonal timeline.

MiniWebtool’s First Day of Summer shows the summer solstice for a selected year from 2000 to 2038. Choose a hemisphere to see the June or December event, with daylight comparisons and a seasonal timeline.

Check the astronomical start of winter in MiniWebtool’s First Day of Winter. For years 2000–2038, the selected hemisphere determines the December or June solstice, with countdown and daylight information.

Find the summer solstice for your hemisphere with MiniWebtool’s Longest Day of the Year. It reports the solstice date and time and the associated daylight duration for exploring the year’s longest day.

Find the winter-solstice date and time for a selected year and hemisphere with MiniWebtool’s Shortest Day of the Year. A countdown and astronomy notes explain the seasonal event.

Find the summer solstice for a year from 2000 to 2099 with MiniWebtool’s Summer Solstice Day. Results include UTC timing, a countdown, and daylight context for the selected hemisphere.

Enter any year from 1 to 9999 into MiniWebtool’s Vernal Equinox Day tool to find the exact UTC dates and times for the vernal equinox, autumnal equinox, and both solstices.

Find the winter-solstice timing for a selected year and hemisphere with MiniWebtool’s Winter Solstice Day. The result pairs the seasonal event with daylight context and astronomical details.

Check a single year or list leap years across a span of up to 2,000 years. MiniWebtool’s Is it Leap Year? applies the leap-year rules and helps explain why century years are treated differently.

MiniWebtool’s Leap Years List identifies leap years between selected endpoints from 1600 to 4000. View the years on a timeline or check a single year against the calendar rules.

MiniWebtool’s Next Leap Year Calculator finds the next leap year relative to a chosen year. A timeline and explanation of the Gregorian 400-year cycle show how divisibility rules determine the result.

Check the Gregorian calendar rule with MiniWebtool’s When is Leap Year?. Enter a year to see whether February has twenty-nine days, why the rule applies, and the neighboring leap years.