marking languages still vigorous today

http://www.unesco.org/new/en/unesco/events/prizes-and-celebrations/celebrations/international-days/international-mother-language-day-2016/

This year's day for Mother Languages.

On the other side of the human patrimony ledger is the erosion of spoken languages and environments/livelihoods they derive from; see these notes taken from K. David Harrison's book, When Languages Die, to get a taste of this subject.

https://sites.google.com/site/big1file/nb-languagesdie

time culture - attitudes in cultural landscapes

excerpt from article about regulating and calculating time in ways different to broadcast news media and everyday consumer worlds, 

...within Arizona, which recognizes Mountain Standard Time year-round, the case gets more confusing for anyone traveling through the Hopi and Navajo nations. Both nations are in the same area–in fact, the Navajo nation completely surrounds Hopi territory, and both nations have enclaves within the other.

This arrangement might not have much of an impact time-wise, except that the Navajo nation uses daylight savings time, while the Hopi nation, along with the rest of Arizona, does not. Essentially, it'd be possible to drive through each outlying city and change time zones five times, all within two hours.

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full article, http://www.atlasobscura.com/articles/meet-the-people-who-live-outside-of-time

Tribal Lands - map project for North America

This same idea would work well among all indigenous peoples displaced, disoriented, or distopic these past 500 years since global flows of people, ideas, money, material culture, diseases and species got started:

The 9 minute backstory of how the Tribal Nations Maps came to be,  https://www.youtube.com/watch?v=0coKPtbP3is, Aaron Carapella's project to chart the placenames and locations of the people living in North America before immigration started in the 15th century.

reckoning time - swap from Julian to Gregorian calendar

excerpt from full article, http://www.atlasobscura.com/articles/why-england-was-a-year-behind-belgium-spain-and-italy-for-170-years

...the longer a country waited to shift to the Gregorian calendar, the more days needed to be removed; in 1752, England and its colonies went to sleep on September 2 and rose on September 13, as per the Calendar Act of 1750. Russia didn't change calendars until February 14, 1918 and skipped a whole 13 days, meaning their October Revolution of 1917 actually happened, by today's dating system, in November.