Citywide Calendar

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Welcome to Longmont's Calendar of Events!

The events listed on this Calendar are City of Longmont sponsored events and is not a comprehensive list of all activities happening around the community. Dates and times of these events are subject to change without notice.

Trash, Recycling, & Composting - Holidays & Events

View via the address-based Online Collection Calendar and sign up for reminders.

Other Community Events

To view other events being held around Longmont, please visit the Longmont visitors bureau events calendar at

Subscribe to the City Calendar

To get events emailed to you directly, sign up for the Calendar eNotifications and then select the Calendar categories.

DÍA - Diversity in Action/Diversidad en Acción

The Library is celebrating the diversity of our community with Día! Diversity in Action/Diversidad en Acción!
  • Join us in our annual family celebration of DÍA – Diversity in Action, with a performance by Skyline High School's Mariachi Band! There will be dancing, games, crafts, and treats for the whole family!
  • For all ages and families!
  • Download and print our bilingual flyer to share with friends.
  • No registration required.

Este evento es una celebración de la diversidad en nuestra comunidad.

  •  El domingo, 5 de mayo, de 2:00 a 3:30pm
  • ¡Únase a nosotros en nuestra celebracion anual de Diversidad en Acción, con la Banda Mariachi de Skyline High School! ¡Habrá baile, juegos, artesanías, y merienda para toda la familia!
  • Para la familia entera – ¡todas edades!
  • Descarga e imprime el volante bilingüe para compartirlo con amigos.
  • No hay que inscribirse.

The Friends of the Longmont Library generously support library programs and services.

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