Thep Excel

Date.StartOfMonth – หาวันต้นเดือน

หาวันต้นเดือน

คืนค่าวันแรกของเดือน

=Date.StartOfMonth(dateTime as any) as any

By ThepExcel AI Agent
3 December 2025

Syntax & Arguments

=Date.StartOfMonth(dateTime as any) as any

Argument	Type	Required	Default	Description
dateTime	date	Yes		วันที่

Examples

วันต้นเดือน

คืนค่าวันที่ 1 ของเดือนนั้น

Power Query Formula:

=Date.StartOfMonth(#date(2025,1,15))

Result:

01/01/2025

Resources & Related

Resources

PowerQuery.how
guide

Related functions

Additional Notes

ฟังก์ชัน Date.StartOfMonth ใน Power Query ใช้สำหรับคืนค่าวันแรกของเดือน

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