18 April 2023

• 108th day of the year. There are then 257 days left in 2023.
• 16th Tuesday of 2023.
• on the 16th week of 2023 (using ISO standard week number calculation).
• Birthstone for this day: Diamond and Crystal

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

• Holocaust Remembrance Day - United States, Israel
• World Heritage Day - Popular in: South Africa, India, United Kingdom, Australia
• Easter Tuesday (Orthodox) (Πάσχα Τρίτη) - Cyprus
• Zimbabwe Independence - Popular in: India, United Kingdom