| National Pineapple Upside Down Cake Day i 2025 | 20-04-2025 |
| National Pineapple Upside Down Cake Day i 2026 | 20-04-2026 |
| National Pineapple Upside Down Cake Day i 2027 | 20-04-2027 |
| National Pineapple Upside Down Cake Day i 2028 | 20-04-2028 |
| National Pineapple Upside Down Cake Day i 2029 | 20-04-2029 |
| National Pineapple Upside Down Cake Day i 2030 | 20-04-2030 |
| National Pineapple Upside Down Cake Day i 2031 | 20-04-2031 |
| National Pineapple Upside Down Cake Day i 2032 | 20-04-2032 |
| National Pineapple Upside Down Cake Day i 2033 | 20-04-2033 |
| National Pineapple Upside Down Cake Day i 2034 | 20-04-2034 |
| National Pineapple Upside Down Cake Day i 2035 | 20-04-2035 |
| National Pineapple Upside Down Cake Day i 2036 | 20-04-2036 |
| National Pineapple Upside Down Cake Day i 2037 | 20-04-2037 |
| National Pineapple Upside Down Cake Day i 2038 | 20-04-2038 |
| National Pineapple Upside Down Cake Day i 2039 | 20-04-2039 |
| National Pineapple Upside Down Cake Day i 2040 | 20-04-2040 |
| National Pineapple Upside Down Cake Day i 2041 | 20-04-2041 |
| National Pineapple Upside Down Cake Day i 2042 | 20-04-2042 |
| National Pineapple Upside Down Cake Day i 2043 | 20-04-2043 |
| National Pineapple Upside Down Cake Day i 2044 | 20-04-2044 |
| National Pineapple Upside Down Cake Day i 2045 | 20-04-2045 |
| National Pineapple Upside Down Cake Day i 2046 | 20-04-2046 |
| National Pineapple Upside Down Cake Day i 2047 | 20-04-2047 |
| National Pineapple Upside Down Cake Day i 2048 | 20-04-2048 |
| National Pineapple Upside Down Cake Day i 2049 | 20-04-2049 |
| National Pineapple Upside Down Cake Day i 2050 | 20-04-2050 |
