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Find First and Last date and week name of current month

In postgresql Query Get The first day of the current month is the date at the beginning of the ongoing month, while the last day of the current month marks the end of that month. The week name for these two dates typically depends on the specific calendar and country, but they are commonly referred to as the first day and last day of the current week within the given month. These dates are important for organizing events, scheduling, and planning tasks in various aspects of life.

To find the first and last day of the current month along with the week name using the `to_char()` function, follow these steps:

1. First Day of the Month:
Use `to_char()` with the date, formatting it with 'YYYY-MM-01' to get the first day of the current month.

2. Last Day of the Month:
Calculate the last day by adding a month to the first day and subtracting one day. Format it with 'YYYY-MM-DD'.

3. Week Name:
Use `to_char()` with the first day and format it as 'Day' to get the week name for the first day of the month.

This method provides the first and last day of the current month and the week name of the first day.

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