| duration | name |
| hourly | |
| twice a day | |
| daily | |
| three times a week | |
| twice a week | |
| once a week | |
| twice a month | |
| once a month | |
| every three months | |
| twice a year | |
| once a year | |
| every 2 years | |
| every 3 years | |
| every 4 years | |
| every 5 years | |
| every 6 years | |
| every 7 years | |
| | duration | name |
| every 8 years | |
| every 9 years | |
| every 10 years | |
| every 11 years | |
| every 12 years | |
| every 15 years | |
| every 20 years | |
| every 30 years | |
| every 50 years | |
| every 100 years | |
| every 150 years | |
| every 200 years | |
| every 300 years | |
| every 400 years | |
| every 500 years | |
| every 1,000 years | |
| every 2,000 years | |
|