Quick Answer: 2024 Time Change Dates
At 2:00 AM, clocks will spring forward to 3:00 AM
At 2:00 AM, clocks will fall back to 1:00 AM
Countdown to Next Time Change
Health Considerations for Arizona Residents
Medical research has revealed important health impacts of time changes in Arizona. The spring forward transition is associated with a 5% increase in heart attacks during the first three days after the change. Car accidents also spike by approximately 8% on the Monday following the spring time change.
Energy Consumption Patterns in Arizona
Recent studies on energy consumption during DST in Arizona show modest savings of approximately 0.5% in electricity usage. However, these savings are offset by increased gasoline consumption as people take advantage of extended daylight for travel and recreation. The net energy impact remains a subject of ongoing research and debate among policy makers.
Historical Context
- DST was extended in the US in 2007, adding 4 weeks to the DST period.
- Arizona and Hawaii are the only US states that don't observe DST statewide.
- The European Union voted to end DST in 2019, but implementation has been delayed.
Tips for Arizona Residents
Check and replace smoke detector batteries when changing clocks - it's a good reminder!
Use the phrase 'Spring forward, fall back' to remember which direction to change your clocks.
Use the extra evening daylight in summer for outdoor activities and vitamin D.
Remember that not all countries change on the same date - check international meeting times carefully.
Why do we change clocks?
Daylight Saving Time was implemented to make better use of daylight during summer months, theoretically saving energy and providing more evening daylight for activities.
Do all states observe DST?
No, Hawaii and most of Arizona do not observe Daylight Saving Time. Some territories also opt out of the time change.
Is DST being eliminated?
While there have been various proposals to eliminate DST, as of 2024, most regions continue to observe the biannual time change.