2013 had 5 Saturdays, and 2014 will have 5 Saturdays; then 2019 is next time that will happen
They all have four Saturdays. However, usually only four months per year have five Saturdays while usually eight months per year have only four Saturdays.
there are 4 or 5 saturdays in any month depending on which day month started
That depends on the year. There are always at least 52 Saturdays and 52 Sundays in a year, so most years there are 104 in total. Some years there can be 53 Sundays and 52 Saturdays, in which case the total is 105. There can also be 52 Sundays and 53 Saturdays, again giving a total of 105. If a leap year starts on a Saturday, then there are 53 Saturdays and 53 Sundays, so there are 106 in total.
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In 2008, January had four Saturdays. February had four Saturdays. March had five Saturdays. April had four Saturdays. May had five Saturdays. June had four Saturdays. July had four Saturdays. August had five Saturdays. September had four Saturdays. October had four Saturdays. November had five Saturdays. December had four Saturdays.
Jeff Halpern is number 14 on the Arizona Coyotes.
Jeff Skinner is number 53 on the Carolina Hurricanes.
Jeff Zatkoff is number 37 on the Pittsburgh Penguins.
Jeff Adrien is number 12 on the Milwaukee Bucks.
Jeff Green is number 8 on the Boston Celtics.
Jeff Taylor is number 44 on the Charlotte Hornets.
Jeff Teague is number 0 on the Atlanta Hawks.
Jeff Baker is number 10 on the Miami Marlins.
Jeff Francis is number 29 on the Oakland Athletics.
Jeff Manship is number 52 on the Philadelphia Phillies.
Jeff Mathis is number 6 on the Miami Marlins.