States with year-round Standard Time bills passed include: Washington, Oregon, California, Idaho, Utah, Wyoming, Colorado, New Mexico, Texas, Arkansas, Louisiana, Mississippi, Alabama, Florida, Georgia, South Carolina, North Carolina, Virginia, West Virginia, Ohio, Michigan, Kentucky, Tennessee, Oklahoma, Kansas, South Dakota, Minnesota, Iowa, Missouri, Maine, Vermont, New Hampshire, Massachusetts, Rhode Island, Delaware, Maryland, New Jersey, New York, Connecticut, Pennsylvania.
| Feature | Detail | |---------|--------| | Official name | Daylight Saving Time (DST) | | Common phrase | "Summer time" (understood but not official) | | Start | Second Sunday in March, 2:00 AM → 3:00 AM | | End | First Sunday in November, 2:00 AM → 1:00 AM | | Duration | ~34 weeks (March to November) | | Non-observing US areas | Arizona (most), Hawaii, 5 territories | | Federal law | Uniform Time Act of 1966 (amended 2005) | | Pending legislation | Sunshine Protection Act (permanent DST) | | Main controversy | Health vs. economic benefits | summer time in the us
Arizona (MST, UTC-7) aligns with Pacific time in summer? Not exactly — when it's 12 PM PDT in Los Angeles, it's 12 PM MST in Phoenix (same hour). But when it's 12 PM MDT in Denver, it's 11 AM MST in Phoenix. States with year-round Standard Time bills passed include: