this

esta vez

Refers to the present occasion or instance.

Se refiere a la ocasión o instancia presente.

Refers to the morning of the current day.

Refers to the current or immediately approaching afternoon.

Refers to the current or immediately approaching evening.

Refers to the current or immediately approaching summer season.

este invierno

Refers to the current or immediately approaching winter season.

Se refiere al invierno actual o que se aproxima inmediatamente.

Refers to the current or immediately approaching spring season.

Refers to the current or immediately approaching fall season, especially in American English.

Refers to the current or immediately approaching autumn season.