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Seasons in 2017

Here are the dates of seasons in 2017. Seasons are astronomical events in relation to the position of the Earth on its orbit around the Sun (for more about how seasons work, check our tutorial 'Seasons'). 2017 is not a leap year

. spring or the vernal equinox occurs on March 20th at 10:29 UT
. summer or the summer solstice occurs on June 21st at 04:25 UT
. fall or the autumnal equinox occurs on September 22nd at 20:02 UT
. winter or the winter solstice occurs on December 21st at 16:29 UT

Each year Earth, further, is reaching its perihelion (its closest to the Sun) and aphelion (its farthest from the Sun). for more about how those concepts work, check too our tutorial 'Seasons'

. Earth's perihelion occurs on January 4th at 00:59 UT
. Earth's aphelion occurs on July 4th at 00:59 UT

In terms of cultural calendars, the Byzantine 7,526th year begins on Sept. 14, 2017; the Jewish (A.M.) 5,778th yeaer on Sept. 20, 2017 (with the Day of Atonement (Yom Kippur) on Sept. 30, 2017); the Japanese 2,677th year on Jan. 1, 2017; the Saka (Indian) 1939th year on Mar. 22; the Diocletian (Coptic) 1,734th year on Sept. 11, 2017; the Islamic (Hegira) 1,439th year on Sept. 21, 2017 (with the First day of Ramadân on May 27, 2017); the Chinese year begins on Jan. 28, 2017. For the Roman Catholic calendar, the Roman Indiction is 10 and Easter Day on Apr. 16, 2017