日期函式（Power Query 之 M 語言）
日期的增減：
= Date.AddDays( 日期, 增減的天數)
月份的增減：
= Date.AddMonths( 日期, 增減的月數)
季度的增減：
= Date.AddQuarters( 日期, 增減的季數)
周的增減：
= Date.AddWeeks( 日期, 增減的週數)
年的增減：
= Date.AddYears( 日期, 增減的年數)
Date.Day
Date.DayOfWeek
Date.DayOfWeekName
Date.DayOfYear
Date.DaysInMonth
Date.EndOfDay
Date.EndOfMonth
Date.EndOfQuarter
Date.EndOfWeek
Date.EndOfYear
Date.From
Date.FromText
Date.IsInCurrentDay
Date.IsInCurrentMonth
Date.IsInCurrentQuarter
Date.IsInCurrentWeek
Date.IsInCurrentYear
Date.IsInNextDay
Date.IsInNextMonth
Date.IsInNextNDays
Date.IsInNextNMonths
Date.IsInNextNQuarters
Date.IsInNextNWeeks
Date.IsInNextNYears
Date.IsInNextQuarter
Date.IsInNextWeek
Date.IsInNextYear
Date.IsInPreviousDay
Date.IsInPreviousMonth
Date.IsInPreviousNDays
Date.IsInPreviousNMonths
Date.IsInPreviousNQuarters
Date.IsInPreviousNWeeks
Date.IsInPreviousNYears
Date.IsInPreviousQuarter
Date.IsInPreviousWeek
Date.IsInPreviousYear
Date.IsInYearToDate
Date.IsLeapYear
Date.Month
Date.MonthName
Date.QuarterOfYear
Date.StartOfDay
Date.StartOfMonth
Date.StartOfQuarter
Date.StartOfWeek
Date.StartOfYear
Date.ToRecord
Date.ToText
Date.WeekOfMonth
Date.WeekOfYear
Date.Year
#date
原部落格各種作……所以換陣地了，不過每篇都搬過來，實在有點累，想看就自己看吧：http://blog.sina.com.cn/pureiceshadow