All online calculators

  • Spherical cap and spherical segment

    This calculator computes volume and surface area of spherical cap and spherical segment

  • Spherical sector

    Calculates surface area and volume of Spherical sector by radius and height

  • Student t-distribution

    Calculates cumulative distribution function value and probability density function value for Student t-distribution. Quantile calculator evaluates Student quantiles for given probability and specified number of degrees of freedom.

  • 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

Sunrise and sunset time

This online calculator is intended for sunrise and sunset time calculation for given place and date. The calculator algorithm is obtained from the great book of Oliver Montenbruck and Thomas Pfleger "Astronomy on the Personal Computer".

Sunrise and sunset timeCreative Commons Attribution/Share-Alike License 3.0 (Unported)

The Muslim calendar. The Gregorian calendar conversion

The Muslim calendar. The Gregorian calendar conversion

gregorian to muslim calendar converterCreative Commons Attribution/Share-Alike License 3.0 (Unported)

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