As of 2021, DST is observed in most of Europe, most of North America and parts of Asia around the Northern Hemisphere summer, and in parts of South America and Oceania around the Southern Hemisphere summer. It was also formerly observed in other areas.

How many countries do Daylight Savings?

Today, approximately 70 countries utilize Daylight Saving Time in at least a portion of the country. Japan, India, and China are the only major industrialized countries that do not observe some form of daylight saving.

Where is daylight savings time not observed?

Hawaii and Arizona are the only two states in the U.S. that do not observe daylight savings time. However, several overseas territories do not observe daylight savings time. Those territories include American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands.