20 September 2021

• 263rd day of the year. There were then 102 days left in 2021.
• 38th Monday of 2021.
• on the 38th week of 2021 (using ISO standard week number calculation).
• Birthstone for this day: Sapphire

There are no major holidays or observances in New Zealand for this date.

• Sukkot (Begins) - South Africa, United States, Israel, United Kingdom, Canada, Australia
• Federal Fast (Eidgenössische Danktag, Busstag und Bettag - Beobachten) - Switzerland
• Día Nacional del Caballo - Argentina
• Día del Jubilado - Argentina
• National Pepperoni Pizza Day - United States