Ever wondered how to work out a Stardate?

Well now you can thanks to this formula emailed to me by Andrew Cheadle;

Using simple math and the Year 2364 reference point established in the Season One finale Star Trek: The Next Generation: The Neutral Zone (1988), one can easily convert a Stardate given in any episode into standard calendar format. The 5-digit stardate format used in this series calculates to 1000 units per year (i.e. the time span between Stardate 41000.0 and 42000.0 is one full Earth year). Take for example the first episode Star Trek: The Next Generation: Encounter at Farpoint (1987)_. The first stardate given in the episode is Stardate 41153.7. As this is the first season, we know it takes place in the year 2364. As for month and day, take the last 3 digits plus decimal (xx153.7) and divide it by 1000 (to get 0.1537), then multiply it by 365 (366 for leap years such as for 2364) and you will get the day of the year (56th day of the year in this case). Therefore Stardate 41153.7 translates to February 25th 2364. Using this same method, the last episode of the series, the Season 7 Star Trek: The Next Generation: All Good Things… (1994) takes place on Stardate 47988, which translates to December 26th 2370 (xx988 divided by 1000 times 365 = 360th day of the year).

# Star date calculations

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