- Sun position at a given date. Azimuth and elevation table.
Calculation of azimuth and elevation of the sun above the horizon for a given position and time. Table with one hour increments.

- Sunrise and sunset calculator
Sunrise/Sunset calculation for given latitude and longitude or for given city. Source: Almanac for Computers, 1990 published by Nautical Almanac Office United States Naval Observatory Washington, DC 20392

- The basal metabolic rate
This calculator computes BMR calories

- The Muslim calendar. The Gregorian calendar conversion
The Muslim calendar. The Gregorian calendar conversion

This is generator of lap running order for kart racing. The goal is to let each racer to try each starting position/kart in random order.

- Time difference between the cities
Calculates the time difference between the two cities based on the catalogue data.

- Time interval between two dates
Calculate time interval between two dates

- Time Span Calculator
This online calculator computes how much time is passed between two time points, specified in hours and minutes.

- Time units
Calculator expresses time interval in different time units.

- Time zones
The calculator shows the current time, universal time, and time for the selected city

This calculator allows you to carry out the addition of the time - it displays the total, the average, minimum and maximum.

"One of the following characters is used to separate data fields: tab, semicolon (;) or comma(,)":

- Time. Total sum
Calculator sums up input time intervals

- Total time
- Tournament table
The calculator performs the participant placement with two following conditions: 1) Each participant must start from each starting position. 2) Each participant must encounter every other participant.

- Travel Duration
This online calculator computes travel duration given departure time and city and arrival time and city using time zones information

- Use of Time Summary
This calculator summarizes time for different activities entered into table

- Week number of a given date
Week number of a given date. Europe (ISO 8601) standard method, US method and simple numeration method.

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