Irvine Unified 2018-2019 Calendar https://irvineunified.tandem.co/ Key dates for Irvine Unified. en-us 8/23/18 First Day of School https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=282 282-irvineunified@intand.com 9/3/18 Labor Day https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=265 265-irvineunified@intand.com 10/8/18 Columbus Day https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=266 266-irvineunified@intand.com 10/8/18 No School - Staff Development Day (No School Students) https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=283 283-irvineunified@intand.com 10/31/18 Halloween https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=267 267-irvineunified@intand.com 11/4/18 Daylight Saving Time Ends https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=269 269-irvineunified@intand.com 11/11/18 Veteran's Day https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=268 268-irvineunified@intand.com 11/12/18 No School - Veterans Day Observance https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=284 284-irvineunified@intand.com 11/21/18 - 11/23/18 Thanksgiving Break https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=285 285-irvineunified@intand.com 11/22/18 Thanksgiving https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=270 270-irvineunified@intand.com 12/24/18 - 1/4/19 Winter Holiday Break https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=286 286-irvineunified@intand.com 12/25/18 Christmas Day https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=271 271-irvineunified@intand.com 1/1/19 New Year's Day https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=272 272-irvineunified@intand.com 1/18/19 No School - Teacher Work Day (No School HS Only) https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=287 287-irvineunified@intand.com 1/21/19 Martin Luther King Day https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=273 273-irvineunified@intand.com 1/22/19 Holiday (No School) https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=288 288-irvineunified@intand.com 2/11/19 No School - Staff Development Day (No School Students) https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=289 289-irvineunified@intand.com 2/14/19 Valentine's Day https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=274 274-irvineunified@intand.com 2/18/19 President's Day https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=275 275-irvineunified@intand.com 3/10/19 Daylight Saving Time Begins https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=276 276-irvineunified@intand.com 3/17/19 St. Patrick's Day https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=277 277-irvineunified@intand.com 4/1/19 - 4/5/19 Spring Break https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=290 290-irvineunified@intand.com 4/21/19 Easter https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=278 278-irvineunified@intand.com 5/5/19 Cinco De Mayo https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=279 279-irvineunified@intand.com 5/27/19 Memorial Day https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=280 280-irvineunified@intand.com 6/7/19 Last Day of School https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=291 291-irvineunified@intand.com 7/4/19 Independence Day https://irvineunified.tandem.co/index.php?type=key_date&action=details&id=281 281-irvineunified@intand.com