Muslim Presence in Simi Valley: Simi Valley, a city in Ventura County, California, is home to a diverse population of over 126,000 residents. The Muslim community here has established a stable presence over the years, contributing to the city's multicultural fabric. While specific historical details are not documented, the community's growth is evident through the establishment of local Islamic institutions that serve the spiritual needs of Muslims in the area.

Community Implantation and Mosques: The Muslim community in Simi Valley is well-served by several prayer places within the city and nearby areas. Notably, the Islamic Society of Simi Valley (ISSV) at 4343 Township Ave and Masjid Al-Rasool at 1206 Erringer Rd provide regular congregational prayers and community services. Additionally, Al Rasul at 1954 Arcane St offers another venue for worship. These mosques, along with others in neighboring cities like Granada Hills, Northridge, and Canoga Park, create a network of prayer spaces accessible to residents and visitors.

Prayer Time Orientation: Muslims in Simi Valley follow the five daily prayers—Fajr, Dhuhr, Asr, Maghrib, and Isha—which are determined by the sun's position. Prayer times vary throughout the year due to seasonal changes in sunrise and sunset, influenced by the city's latitude. Simi Valley operates in the America/Los_Angeles timezone. The Qibla direction for prayer is towards Mecca, and the distance to Mecca is approximately 13,000 km. The calculation method used ensures accurate timings for the local community.