Calculate duration or difference between two dates and time in years, months, weeks, days, hours, minutes and seconds.
## What is the use of this Days Calculator?

By using this Days Calculator Online tool, you can easily calculate how many days in a year, how many hours in a year, how many minutes in a year, how many seconds in a year, how many days in a month, how many hours in a month, how many minutes in a month, how many seconds in a month, how many days in a week, how many hours in a week, how many minutes in a week, how many seconds in a week, how many hours in a day, how many minutes in a day, how many seconds in a day.

You can use this Days Calculator App to calculate number of days between dates and even the number of minutes or seconds in days since calculator provides you the data for number of days, hours, minutes and even seconds so this global days calculator tool is not just no. of days calculator. You can use it as hours to days calculator, days to months calculator, how many days until calculator, days left calculator, days to hours calculator, how many days have i been alive calculator, elapsed days calculator, vacation days calculator, months to days calculator, 100 days from today calculator, minutes to days calculator, days to retirement calculator, 100 days ago from today calculator, 10000 days calculator, seconds to days calculator, anniversary calculator in days, leave days calculator, marriage date calculator or marriage age calculator.

You can use this tool as Age Calculator to calculate your exact Age from the time of birth till date or till now with exact time. If you try to calculate the age manually or by calculating date difference in excel then one thing you must keep in mind that February days (feb days) are not always of 28 or 29 days. So, the age calculation formula used for converting days to years or months to years must be precise to take care of how much time exactly was there in between. Depending upon whether it was a leap year, you should add days to date (one day extra for February month if it was a leap year). Because, if you convert 2 years then one year might have 365 days whereas, the second one might have 366 days. Only then the date duration calculator to convert 1 year including February month or month calculator in excel will function properly.
You can also use it as Time Calculator to check exact time between two dates or use it as a date calculator to calculate difference or number of days between dates.
Hence, do not worry about the hectic manual date calculation and enjoy this free date calculator online tool.

## How to calculate duration between two dates?

To calculate duration between two dates, use the date calculator section at the top of the site. First, select the start date then if you want to calculate the duration till today then let the “End Time” be “Time Now”. Else, change the “End Time” to “Select Date” and select the desired date and time for calculation. Now, let the magic of this Date Calculator Online Tool begin.

You would get the results for Time in Years, Time in Months, Time in Weeks, Time in Days, Time in Hours, Time in Minutes, Time in Seconds. All in one place.

## How many days in a year, month or week?

Date Value Available for Selection:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31

Month Value Available for Selection:

January, February, March, April, May, June, July, August, September, October, November, December

Year Value Available for Selection:

1900, 1901, 1902, 1903, 1904, 1905, 1906, 1907, 1908, 1909, 1910 1911, 1912, 1913, 1914, 1915, 1916, 1917, 1918, 1919, 1920, 1921, 1922, 1923, 1924, 1925, 1926, 1927, 1928, 1929, 1930, 1931, 1932, 1933, 1934, 1935, 1936, 1937, 1938, 1939, 1940, 1941, 1942, 1943, 1944, 1945, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2027, 2028, 2029, 2030

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