Puerto Rico doesn't have a change in time. As a Puertorrican we call it PR Time when our colleagues have it changed (EST).
Arizona, Indiana, Hawaii, parts of Puerto Rico, and American Samoa
Hawaii and most of Arizona do not observe daylight savings time. Additionally, the territories of American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, and the Virgin Islands also do not follow daylight savings time.
Daylight Saving Time typically occurs in many countries around the world, including the United States, Canada, European countries, and parts of Asia and South America. However, not all countries participate in this practice.
That used to be true of Indiana, but, although they are still split between Eastern and Central time, the whole state now observes daylight saving time.The only part of Arizona that does observe daylight saving time is the Navaho Nation.
All states and territories of the United States except for Arizona (with the exception of the Navajo Nation), Hawaii, the territories of Puerto Rico, the Virgin Islands, Guam, and American Samoa observe Daylight Savings. The state of Indiana just recently began observing DST this year.
Arizona, Indiana, Hawaii, parts of Puerto Rico, and American Samoa
Hawaii and most of Arizona do not observe daylight savings time. Additionally, the territories of American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, and the Virgin Islands also do not follow daylight savings time.
Daylight Saving Time typically occurs in many countries around the world, including the United States, Canada, European countries, and parts of Asia and South America. However, not all countries participate in this practice.
Daylight savings time applies in parts of Australia, but not the entire country. The Northern Territory, Queensland, and Western Australia do not follow daylight savings time. All other parts follow it from the first Sunday in October to the first Sunday in April.
That used to be true of Indiana, but, although they are still split between Eastern and Central time, the whole state now observes daylight saving time.The only part of Arizona that does observe daylight saving time is the Navaho Nation.
Some parts of Mexico observe daylight savings time; some don't. I suggest the Date and Time web site for specifics. In general terms however, Mexico's daylight saving time starts on the first Sunday of April and ends on the last Sunday of October.
All states and territories of the United States except for Arizona (with the exception of the Navajo Nation), Hawaii, the territories of Puerto Rico, the Virgin Islands, Guam, and American Samoa observe Daylight Savings. The state of Indiana just recently began observing DST this year.
If your question asks about Daylight Savings Time, it changes back and forth at different times, depending on the country where you are when the time changes. Changes take place twice during the year. Note, that some parts of a country may not participate in time changes.
No, Oklahoma is on Central Time and during part of the year it's on Daylight Savings Time other parts of the year it's on CST.
All parts of the United States and Canada that observe daylight saving time, as well as the parts of Northern Mexico that observe daylight saving time and are along the U. S. border, do so from the second Sunday of March at 2 AM local standard time through the first Sunday of November at 2 AM local daylight saving time. In 2012, the dates are March 11 through November 4.
South Australia, New South Wales, Victoria, the Australian Capital Territory and Tasmania advance one hour for Summer Time (a.k.a. Daylight Saving Time), the Lord Howe Island advances a half hour for Summer Time. In Australia, Summer Time begins on the 1st Sunday of October and ends on the 1st Sunday of April.
Daylight saving time in Texas starts on the second Sunday of March and ends on the first Sunday of November.