What is UTC Time and GMT Time? - Farmers' Almanac - Plan Your Day

You’ve heard of Daylight Saving Time, Standard Time, Eastern, Central, Mountain, and Pacific Time, but have you heard of the term Greenwich Mean Time

Old Farmer's Almanac, Farmer's Almanac Release Winter Outlooks – NBC Boston

Why do U.S. time zones not have straight borders nor do they follow the state's borders? - Quora

Know Your Planting Zone - Farmer's Almanac

The Online World resources handbook

Farmers' Almanac - Wikipedia

David Burch Navigation Blog: Timekeeping in Navigation and Weather

Are timezone lines straight or following country boundaries? - Quora

The New York Times 2016-02-09, PDF, Bernie Sanders