WITH date_calculations AS (
-- Define start and end dates
SELECT
'2024-09-17'::date AS StartDate,
'2024-10-05'::date AS EndDate
),
start_month AS (
-- Calculate last day of the start month (September)
SELECT
StartDate,
EndDate,
(DATE_TRUNC('month', StartDate) + INTERVAL '1 month - 1 day')::date
AS EndOfStartMonth
FROM date_calculations
),
days_in_start_month AS (
-- Calculate number of days in September
SELECT
StartDate,
EndDate,
EndOfStartMonth,
(EndOfStartMonth - StartDate + 1) AS DaysInStartMonth
FROM start_month
),
days_in_end_month AS (
-- Calculate number of days in October
SELECT
StartDate,
EndDate,
DaysInStartMonth,
(DATE_TRUNC('month', EndDate))::date AS StartOfEndMonth,
(EndDate - DATE_TRUNC('month', EndDate) + 1) AS DaysInEndMonth
FROM days_in_start_month
)
-- Return the result for September and October
SELECT
'September' AS Month,
DaysInStartMonth AS Days
FROM days_in_end_month
UNION
SELECT
'October' AS Month,
DaysInEndMonth AS Days
FROM days_in_end_month;
EVALUATE
VAR StartDate = DATE(2024, 9, 17)
VAR EndDate = DATE(2024, 10, 5)
-- Find the last day of the start month (September)
VAR EndOfStartMonth = EOMONTH(StartDate, 0)
-- Calculate the number of days in the start month (September)
VAR DaysInStartMonth = DATEDIFF(StartDate, EndOfStartMonth, DAY) + 1
-- Calculate the number of days in the end month (October)
VAR StartOfEndMonth = DATE(YEAR(EndDate), MONTH(EndDate), 1)
VAR DaysInEndMonth = DATEDIFF(StartOfEndMonth, EndDate, DAY) + 1
-- Return the result
RETURN
UNION (
ROW ( "Month", "September", "Days", DaysInStartMonth ),
ROW ( "Month", "October", "Days", DaysInEndMonth )
)
import pandas as pd
from datetime import timedelta
# Define start and end dates
start_date = pd.to_datetime('2024-09-17')
end_date = pd.to_datetime('2024-10-05')
# Find the last day of the start month (September)
end_of_start_month = start_date + pd.offsets.MonthEnd(0)
# Calculate number of days in September
days_in_start_month = (end_of_start_month - start_date).days + 1
# Calculate the first day of the end month (October) and days in October
start_of_end_month = pd.to_datetime(f'{end_date.year}-{end_date.month}-01')
days_in_end_month = (end_date - start_of_end_month).days + 1
# Create DataFrame for the result
result_df = pd.DataFrame({
'Month': ['September', 'October'],
'Days': [days_in_start_month, days_in_end_month]
})
result_df
| September | 14 |
| October | 5 |
Define Input Dates: VAR StartDate = DATE(2024, 9, 17) sets the start date to September 17, 2024. VAR EndDate = DATE(2024, 10, 5) sets the end date to October 5, 2024. Find the Last Day of the Start Month: VAR EndOfStartMonth = EOMONTH(StartDate, 0) calculates the end of the month for the StartDate. The EOMONTH function returns the last day of the month that contains the specified date. Here, it finds the last day of September 2024. Calculate Number of Days in the Start Month: VAR DaysInStartMonth = DATEDIFF(StartDate, EndOfStartMonth, DAY) + 1 computes the number of days from the StartDate to the EndOfStartMonth. DATEDIFF counts the number of days between two dates. Adding 1 includes the start date in the count. Calculate Number of Days in the End Month: VAR StartOfEndMonth = DATE(YEAR(EndDate), MONTH(EndDate), 1) determines the first day of the end month (October 1, 2024). VAR DaysInEndMonth = DATEDIFF(StartOfEndMonth, EndDate, DAY) + 1 calculates the number of days from the StartOfEndMonth to the EndDate. Adding 1 includes the end date in the count. Return the Result: RETURN UNION (ROW ( "Month", "September", "Days", DaysInStartMonth ), ROW ( "Month", "October", "Days", DaysInEndMonth )) combines the results into a table. It returns two rows: one for September with the number of days in September and one for October with the number of days in October.
Leave a Comment