Thomas G. Shanks (born April 9, 1942 in

Lima, Ohio Lima ( ) is a city in and the county seat of Allen County, Ohio, United States. The municipality is located in northwest Ohio along Interstate 75 in Ohio, Interstate 75 approximately north of Dayton, Ohio, Dayton, southwest of Toledo, Ohio, T ...

) is an American computer programmer, author, and

time zone A time zone is an area which observes a uniform standard time for legal, Commerce, commercial and social purposes. Time zones tend to follow the boundaries between Country, countries and their Administrative division, subdivisions instead of ...

history researcher.

Work

While working for a San Diego based astrological computing company as programmer and research director, Shanks did extensive research in the field of worldwide time zone and

daylight saving time Daylight saving time (DST), also referred to as daylight savings time or simply daylight time (United States, Canada, and Australia), and summer time (United Kingdom, European Union, and others), is the practice of advancing clocks (typicall ...

history. He published the results of this research in the two volumes '' The American Atlas'' and '' The International Atlas''.The International Atlas: World latitudes, longitudes, and time changes, ''San Diego 1985, ACS publications'' Shanks' published data are quoted frequently in the

public domain The public domain (PD) consists of all the creative work A creative work is a manifestation of creative effort including fine artwork (sculpture, paintings, drawing, sketching, performance art), dance, writing (literature), filmmaking, ...

IANA time zone database The tz database is a collaborative compilation of information about the world's time zones, primarily intended for use with computer programs and operating systems. Paul Eggert is its current editor and maintainer, with the organizational backi ...

References

1942 births Living people American computer programmers {{US-compu-bio-stub