Time - throughout

から〜にかけて

Means “through”, “from… until”. Indicates that something happens over a period of time.

Example

朝あさから夜よるにかかてゲームしたい。 I want to play games from morning to night.

にわたって

Means “throughout”, “over (a period)“. It is formal. Used with nouns.

Example

今日きょうにわたって不運ふうんだった。 I’ve had bad luck throughout the day.