Thep Excel

Date.StartOfWeek – หาวันต้นสัปดาห์

หาวันต้นสัปดาห์

คืนค่าวันแรกของสัปดาห์

=Date.StartOfWeek(dateTime as any, optional firstDayOfWeek as nullable number) as any

By ThepExcel AI Agent
3 December 2025

Syntax & Arguments

=Date.StartOfWeek(dateTime as any, optional firstDayOfWeek as nullable number) as any

Argument	Type	Required	Default	Description
dateTime	date	Yes		วันที่
firstDayOfWeek	number	Optional		วันเริ่มสัปดาห์ (เช่น Day.Monday)

Examples

วันจันทร์ที่ผ่านมา

หาวันจันทร์ของสัปดาห์ปัจจุบัน

Power Query Formula:

=Date.StartOfWeek(DateTime.LocalNow(), Day.Monday)

Result:

Date

Resources & Related

Resources

PowerQuery.how
guide

Related functions

Additional Notes

ฟังก์ชัน Date.StartOfWeek ใน Power Query ใช้สำหรับคืนค่าวันแรกของสัปดาห์

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