いっしゅうかん一週間isshuukan
1.

A span of seven consecutive days, often used as a unit of time for scheduling and planning activities.

2.

The duration of time that typically begins on one day and concludes on the same weekday of the following week.

3.

A time interval commonly utilized in calendars and timekeeping, indicating a complete cycle of days.

Example:

1週間も雨が降り続きました。

しゅうshuu
1.

A unit of time consisting of a consecutive series of seven days, typically used as a standard interval for organizing schedules, plans, and recurring events.

2.

The defined time span that begins on Sunday and ends on Saturday, or begins on Monday and ends on Sunday, often serving as a basis for work and school calendars.

3.

A period that marks a full cycle of weekdays followed by the weekend, commonly associated with regular routines and habitual activities in both personal and professional contexts.

Example:

それはその前のに買ったものでした。

こんしゅう今週konshuu
1.

Refers to the currently ongoing week, encompassing the days from the most recent Sunday to the upcoming Saturday.

2.

Denotes the present week in a temporal context, often used to indicate events or tasks that are scheduled or need to be completed during this specific period.

3.

Indicates the week that is happening at the current moment, as opposed to previous or future weeks.

Example:

今週はどちらにいらしゃいましたか。

しゅうかん週間shuukan
1.

A period of seven days that typically encompasses a cycle of weekdays and weekends, often used to denote the time frame from Sunday to Saturday.

2.

A designated seven-day interval during which special events or activities may take place, highlighting the significance of that particular week.

3.

A recurring unit of time measurement that organizes days into a structured framework for planning and scheduling purposes.

4.

A thematic duration of seven consecutive days that can be associated with specific cultural, social, or personal events.

Example:

もう2週間たったら帰ります。

しゅうまつ週末shuumatsu
1.

The period at the end of the week, typically encompassing Saturday and Sunday, when individuals often take a break from work or school activities, and may engage in leisure or social activities.

2.

The conclusion of the weekly cycle, marking the transition from the workweek into personal time, which can also include Friday evening for those who consider it part of the weekend.

3.

A specific time frame within the week recognized for relaxation and recreational pursuits, usually spanning from late Friday to Sunday, depending on cultural perspectives on the start of the week.

Example:

あなたは週末に何をしましたか。