This is the 988th most frequent Finnish word.
ajalla
"Ajalla" means "on time," "in time," or "during" depending on context.
The word 'ajalla' here is used to refer to a specific timeframe within which the action took place.
Hän saavutti tavoitteensa ennätysajalla.
She achieved her goal in record time.
In this sentence, 'ajalla' is used to specify a particular period during which the event will happen.
Kurssi pidetään 1.–15. joulukuuta välisellä ajalla.
The course will be held between December 1st and 15th.
Here, 'ajalla' indicates a historical time period or an era before the advent of computers.