օր

In a sentence

• Այսօր շատ լավ օր էր։

  Today was a very good day.

  Here, 'օր' is used to denote a day in the context of a specific day being described as good.

• Օրը սկսվում է արևածագով։

  The day begins with sunrise.

  In this sentence, 'օր' refers to the general concept of a day as a span of time starting in the morning.

• Մեր օրերին տեխնոլոգիաները արագ զարգանում են։

  In our days, technology advances rapidly.

  Here, 'օրեր' (plural form of 'օր') represents the current era or time period.