This is the 4483rd most frequent Russian word.
время
Time.
Here, 'время' denotes a specific period or moment.
Сейчас время обеда.
It's lunchtime now.
In this sentence, 'время' refers to available duration to perform an activity.
У меня нет времени на изучение нового языка.
I don't have time to learn a new language.
Here, 'времена' is the plural form of 'время' and refers to periods (seasons) within a year.