Time and Date 2023 - Use our 5 calculators
Welcome to our category time and date. Calconi is specialized in the creation of easy to use and understandable calculators in the field of time and date. The number of calculators in this section is constantly being expanded, so that you can always inform yourself.
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Select a calculator from the section 'Time and Date'
Learn about 5 calculators from the section 'Time and Date'
Due Date Calculator
![Calculate Due date]( "Calculate Due date")
Determine the expected date of birth based on the first day of the last period and the average duration of the cycle with the Due Date Calculator. The output of numerous other data, such as fertilization date, dates for the developmental phases of the child or also the start of maternity leave, make the calculator a comprehensive information medium for parents-to-be.Due Date Calendar from the category Week of pregnancy
![Due Date Calendar]( "Due Date Calendar")
The pregnancy calendar gives you an overview of the important dates of your pregnancy. Starting with the date of fertilisation, through important screening dates and stages of your child's development, the pregnancy calendar also gives the start date of maternity leave as well as the date of the calculated date of birth.Roman Date Calculator
![Roman numerals Date]( "Roman numerals Date")
The calculator 'Calculate Roman Date' converts any date into Roman numerals. The day, month and year of a date are translated step by step into individual Roman numerals and then reassembled into a date in Roman numerals.Time Converter
![Time Conversion]( "Time Conversion")
Our time converter allows you to convert all common international time units. After inputting the corresponding unit of time, you can simply convert the corresponding value into any other unit. The most popular conversions are certainly hour to second, second to day and minutes to seconds.Week Number Calculator
![Week Number Calculator]( "Week Number Calculator")
The Week Number Calculator uses a date to calculate the corresponding week number. Conversely, a week number can be used to determine the start and end date of that week. In addition to the international calculation method ISO 8601 for Europe and Asia, the American method is also supported as an internationally relevant method for calculating week numbers.
Determine the expected date of birth based on the first day of the last period and the average duration of the cycle with the Due Date Calculator. The output of numerous other data, such as fertilization date, dates for the developmental phases of the child or also the start of maternity leave, make the calculator a comprehensive information medium for parents-to-be.
The pregnancy calendar gives you an overview of the important dates of your pregnancy. Starting with the date of fertilisation, through important screening dates and stages of your child's development, the pregnancy calendar also gives the start date of maternity leave as well as the date of the calculated date of birth.
The calculator 'Calculate Roman Date' converts any date into Roman numerals. The day, month and year of a date are translated step by step into individual Roman numerals and then reassembled into a date in Roman numerals.
Our time converter allows you to convert all common international time units. After inputting the corresponding unit of time, you can simply convert the corresponding value into any other unit. The most popular conversions are certainly hour to second, second to day and minutes to seconds.
The Week Number Calculator uses a date to calculate the corresponding week number. Conversely, a week number can be used to determine the start and end date of that week. In addition to the international calculation method ISO 8601 for Europe and Asia, the American method is also supported as an internationally relevant method for calculating week numbers.