May 18th, 2026 - Tear-Off Calendar 📆☼Sunrise 5:30 AMSunset 8:03 PM♉☽Moonrise 6:32 AMMoonset 11:02 PMMay 17th‹Monday18May 19th›May 2026Day of the year: 138, Week of the year: 21Holidays and observances in May 18th, 2026International Museum Day