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2. Time-tracking software - Wikipedia

   en.wikipedia.org/wiki/Time-tracking_software

   Time-tracking/recording software. Time-tracking/recording software automates the time-tracking process by recording the activities performed on a computer and the time spent on each of them. This software is intended to be an improvement over timesheet software. Its goal is to offer a general picture of computer usage.

3. Ovulation Calculator & Calendar - Determine Your Most Fertile ...

   www.webmd.com/baby/healthtool-ovulation-calculator

   Ovulation usually happens 14 days before your next period begins, but it can vary from month to month -- even in women with regular cycles. To get a better sense of when you’re ovulating, chart ...

4. Wilhelm Schickard - Wikipedia

   en.wikipedia.org/wiki/Wilhelm_Schickard

   Wilhelm Schickard. Wilhelm Schickard is holding a hand planetarium (or orrery) of his own invention. It was painted in 1632, 8 years after his last calculating clock drawing. Wilhelm Schickard (22 April 1592 – 24 October 1635) was a German professor of Hebrew and astronomy who became famous in the second part of the 20th century after Franz ...

5. Longitude by chronometer - Wikipedia

   en.wikipedia.org/wiki/Longitude_by_chronometer

   Time sight is a general method for determining longitude by celestial observations using a chronometer; these observations are reduced by solving the navigational triangle for meridian angle and require known values for altitude, latitude, and declination; the meridian angle is converted to local hour angle and compared with Greenwich hour angle.

6. Time-based one-time password - Wikipedia

   en.wikipedia.org/wiki/Time-based_One-Time_Password

   Time-based one-time password. Time-based one-time password ( TOTP) is a computer algorithm that generates a one-time password (OTP) using the current time as a source of uniqueness. As an extension of the HMAC-based one-time password algorithm (HOTP), it has been adopted as Internet Engineering Task Force (IETF) standard RFC 6238. [1] TOTP is ...

7. Solar time - Wikipedia

   en.wikipedia.org/wiki/Solar_time

   Solar time is a calculation of the passage of time based on the position of the Sun in the sky. The fundamental unit of solar time is the day, based on the synodic rotation period. Traditionally, there are three types of time reckoning based on astronomical observations: apparent solar time and mean solar time (discussed in this article), and ...