It changes on Sunday, April 4th, 2009.
Puerto Vallarta is 5 hours ahead of Hawaii from the 1st Sunday of April to the last Sunday of October (during Daylight Saving Time in Mexico) and 4 hours ahead the rest of the year.
Most of México, including Puerto Vallarta, observes Daylight Saving Time from the 1st Sunday of April until the last Sunday of October. In 2013, those dates are April 7 - October 27.
No. Puerto Rico observes Atlantic Standard Time all year.
No. Daylight savings time was first observed in Mexico since April 7, 1996.
No. Both zones could end up with two hours of difference, due to the fact that daylight saving time starts on different dates fort each region.
Mexico's three time zones are the same as Canada's westernmost three time zones. However, Canada and most of Mexico have different Daylight Saving Time schedules, and Saskatchewan, Canada and Sonora, Mexico don't do Daylight Saving Time.
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.
yes Nevada and New Mexico ( there is a Las Vegas in both) have daylight savings the only US stat that does not is Arizona
In the Daylight saving Time
In 2011, Mexico begins Daylight Saving Time on April 3 - set your clock(s) forwardone hour at 2:00 AM. It ends on October 30 - set your clock(s) back one hour at 2:00 AM.
India does not observe Daylight Saving Time.
No. On the first Sunday in November at 2am, the US, Canada, and several border cities in Mexico return to Standard Time. Daylight Saving Time begins on the second Sunday in March.