Time and Date

Date Tools

• Birth Day of the Week Calculator - Discover what day of the week you were born, your zodiac signs, birthstone, and explore your upcoming birthdays.

• Calendar - Create beautiful printable monthly and yearly calendars for any year from 1 to 3999. Features today highlighting, leap year indicators, and print-ready designs.

• 📅 Date Calculator - Add or subtract days, weeks, months, and years to/from a date with step-by-step calculations, interactive visualizations, and comprehensive date insights. Featured

• Day of the Week Calculator - Find the day of the week for any date. Features visual calendar display, historical context, day characteristics, and detailed date information with zodiac signs and seasons.

• Day of the Year Calculator - What Day of the Year Is It Today? - Find what day of the year it is with our interactive calculator. See year progress, week number, quarter, days remaining, and a visual calendar view for any date. Featured

• Day of Year Calendar - Find the day number (1-365/366) for any date. Interactive calendar with year progress tracker, week numbers, quarter breakdown, and instant lookup for 2026. Featured

• Days Between Two Dates - Calculate the exact number of days, weeks, months, and years between two dates with visual timeline, business days calculation, and detailed time breakdown.

• Days in Month - Calculate the number of days in any month for any year with visual calendar display, leap year detection, and historical date information.

• Is it April Fool's Day? - Check if today is April Fool's Day. See a live countdown to the next April 1st, explore the history and global traditions of April Fools' Day, and discover famous pranks from around the world.

• Is it Christmas? - Check if today is Christmas Day (December 25th) with a live countdown timer, days remaining, fun facts, and Christmas celebration details from around the world.

Leap Year Calculators

• Is it Leap Year? - Check if any year is a leap year with visual rule testing, find all leap years in a range, discover the next or previous leap year, and explore leap year patterns with an interactive calendar grid.

• Leap Years List - Generate a complete list of leap years between any two years from 1600 to 4000. Visual timeline with patterns, statistics, and interactive year checker. Featured

• Next Leap Year Calculator - Find the next leap year from any given year with visual timeline, leap year checker, and educational content about the Gregorian calendar 400-year cycle.

• When is Leap Year? - Find out when is the last and next leap year, check if any year is a leap year, view leap year lists, and explore the leap year rules with interactive visualizations.

Season Calculators

• Autumnal Equinox Day - Find the exact date and time of the autumnal equinox for any year from 2000 to 2038, with countdown, season duration, multi-year comparison, and astronomical insights.

• First Day of Autumn - Find the exact date and time of the first day of autumn (fall equinox) for any year. Includes countdown timer, hemisphere selection, and comprehensive seasonal information.

• First Day of Spring - Find the exact date and time of the first day of spring (vernal equinox) for any year from 2000 to 2038, with live countdown, season duration, all seasonal events, and multi-year comparison.

• First Day of Summer - Find the exact date and time of the first day of summer (summer solstice) for any year from 2000 to 2038, with live countdown, daylight hours, all seasonal events, season duration, and multi-year comparison.

• First Day of Winter - Find the exact date and time of the first day of winter (winter solstice) for any year from 2000 to 2038, with live countdown, season duration, all seasonal events, and multi-year comparison.

• Longest Day of the Year - Find the longest day of the year (summer solstice) with exact date, time, daylight hours, and astronomical details for your hemisphere.

• Shortest Day of the Year - Find the shortest day of the year (winter solstice) for any year. Discover when the winter solstice occurs in your hemisphere with exact date, time, countdown timer, and educational astronomical information.

• Summer Solstice Day - Find the exact date and UTC time of the summer solstice for any year from 2000 to 2099, with countdown timer, daylight hours estimate, and detailed astronomical context for both hemispheres.

• Vernal Equinox Day - Find the exact date and time of the vernal (spring) equinox, autumnal equinox, summer solstice, and winter solstice for any year from 1 to 9999. Includes all four seasonal events with UTC times.

• Winter Solstice Day - Find the winter solstice (shortest day of the year) with exact date, time, daylight hours, and astronomical details for your hemisphere.

Time Calculators

• Decimal to Time Converter - Convert decimal hours to hours, minutes and seconds with step-by-step breakdown, multiple output formats, and visual time representation.

• Time Duration Calculator - Calculate the exact time duration between two times or dates. Get results in multiple formats including hours, minutes, seconds, work hours, and visual timeline representation. Featured

• Time to Decimal Converter - Convert time in hours, minutes, and seconds to decimal format for payroll, billing, and timesheet calculations. Features visual clock dial, step-by-step breakdown, and copy functionality.

• Unix Time Converter - Convert Unix timestamp to human-readable date/time or convert date/time to Unix timestamp. Features live clock, multiple timezone support, and various date formats.

• Work Hours Calculator - Calculate your weekly work hours with visual analytics, overtime tracking, break management, and printable timesheet. Track daily totals, weekly summary, monthly estimates, and hourly pay calculations. New