18 October 2026

• 291st day of the year. There are then 74 days left in 2026.
• 42nd Sunday of 2026.
• on the 42nd week of 2026 (using ISO standard week number calculation).
• Birthstone for this day: Opal and Tourmaline

There are no major holidays or observances in South Africa for this date.

• Saint Luke - Popular in: United States, New Zealand, Canada, Australia, Spain
• World Mission Sunday - Popular in: United States, India
• Día de la Madre (Argentina) - Argentina
• Anti Slavery Day - United Kingdom
• World Menopause Day - Popular in: United Kingdom