PDF vs PST: Time to change your clocks

PDF vs PST: Time to change your clocks

The Uniform Time Act of 1966 provided the basic framework for alternating between daylight saving time and standard time, which we now observe in the United States. But Congress can’t seem to resist tinkering with it. For example, in 1973 daylight saving time was observed all year, instead of just the spring and summer. The current system of beginning DST at 2 AM on the first Sunday in April and ending it at 2 AM on the last Sunday in October was not standardized until 1986.

Confused about which time zone you’re in, when you haven’t even left home?

Pacific Daylight Time (PDT): Summer Months

Pacific Standard Time (PST): Winter Months

Welcome back to PDT!