| DateTimeHelper Class | 
Namespace: CMS.Helpers
public class DateTimeHelper : CoreMethods
The DateTimeHelper type exposes the following members.
| Name | Description | |
|---|---|---|
| DateTimeHelper | 
| Name | Description | |
|---|---|---|
| MACRO_DATE_TODAY | 
            Macro representing current date.
              | |
| MACRO_TIME_NOW | 
            Macro representing current date and time.
              | |
| UNIX_TIME_START | 
            Start date/time for the Unix time stamp
              | |
| ZERO_TIME | 
            Zero time constant.
              | 
| Name | Description | |
|---|---|---|
| DefaultIFormatProvider | 
            Gets the default (en-us) IFormatProvider.
              | 
| Name | Description | |
|---|---|---|
| DateTimeToString | 
            Converts the given DateTime to string value.
              | |
| GetDayStart | 
            Gets start of the day of specific date.
              | |
| GetFirstDayOfWeek | 
            Gets the first day of the week.
              | |
| GetFirstDayOfWeek(String) | 
            Gets the first day of the week.
              | |
| GetFormattedValidity | 
            Returns validity as formatted string.
              | |
| GetHourStart | 
            Gets current date without minutes and seconds.
              | |
| GetMinuteStart | 
            Gets current date without seconds.
              | |
| GetMonthStart | 
            Gets the first day of the month from specific date.
              | |
| GetValidityEnum | 
            Returns validity enumeration.
              | |
| GetValidityString | 
            Returns validity enumeration as string.
              | |
| GetValidTo | 
            Calculate valid to date and time according to given parameters.
              | |
| GetWeekOfYear(DateTime) | 
            Gets the week of year number.
              | |
| GetWeekOfYear(DateTime, String) | 
            Gets the week of year number.
              | |
| GetWeekStart(DateTime) | 
            Gets the date from the beginning of week.
              | |
| GetWeekStart(DateTime, String) | 
            Gets the date from the beginning of week.
              | |
| GetYearStart | 
            Gets the first day of the year from specific date.
              | |
| IsNowOrToday | 
            Returns true, if the given value is ##NOW## or ##TODAY## macro
              | |
| IsValidFromTo | 
            Returns true if DateTime "from" is lower than or equal to DateTime "to" or one of them is equal to ZeroTime.
              | |
| NumberOfWeeks(DateTime, DateTime) | 
            Gets number of weeks in specified time interval.
              | |
| NumberOfWeeks(DateTime, DateTime, String) | 
            Gets number of weeks in specified time interval.
              |