Definition from Wiktionary, the free dictionary
See also: ajan
aikana (+ genitive)
- during, within (a period of time)
- Aikana refers to an unspecified length of time or to an event that happened or happens during a specified period but at an unspecified moment. To refer to a specified period of time ajan may be used.
- hyvän sään aikana = before it's too late (literally: "during the good weather")
- Essive singular form of aika.