Syosset Central School District 2017-2018 Calendar https://syossetcentral.tandem.co/ Key dates for Syosset Central School District. en-us 9/4/17 Labor Day https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=204 204-syossetcentral@intand.com 10/9/17 Columbus Day https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=205 205-syossetcentral@intand.com 10/31/17 Halloween https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=206 206-syossetcentral@intand.com 11/5/17 Daylight Saving Time Ends https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=208 208-syossetcentral@intand.com 11/11/17 Veteran's Day https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=207 207-syossetcentral@intand.com 11/23/17 Thanksgiving https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=209 209-syossetcentral@intand.com 12/25/17 Christmas Day https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=210 210-syossetcentral@intand.com 1/1/18 New Year's Day https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=211 211-syossetcentral@intand.com 1/15/18 Martin Luther King Day https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=212 212-syossetcentral@intand.com 2/14/18 Valentine's Day https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=213 213-syossetcentral@intand.com 2/19/18 President's Day https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=214 214-syossetcentral@intand.com 3/11/18 Daylight Saving Time Begins https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=215 215-syossetcentral@intand.com 3/17/18 St. Patrick's Day https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=216 216-syossetcentral@intand.com 4/1/18 Easter https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=217 217-syossetcentral@intand.com 5/5/18 Cinco De Mayo https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=218 218-syossetcentral@intand.com 5/28/18 Memorial Day https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=219 219-syossetcentral@intand.com 7/4/18 Independence Day https://syossetcentral.tandem.co/index.php?type=key_date&action=details&id=220 220-syossetcentral@intand.com