Senate passes bill to keep New Mexico on Daylight Saving Time. FILE - Custodian Ray Keen checks the time on a clock face after changing the time on the 97-year-old clock atop the Clay County Courthouse, in this Nov. 6, 2010 file photo taken in Clay Center, Kan.
The time is takes for a package to clear customs varies from one  day to one month. The way a package is shipped has a lot to do with  how long it will take to clear.
Although the time frame may vary, on average, letters traveling through standard mail from the United States to Canada take four to seven days to reach their destination. The variables that may affect the delivery include the customs process, the amount of mail delivered and weather conditions.