[Overview][Constants][Procedures and functions][Index] |
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Compare 2 dates, disregarding the time of day |
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Compare 2 dates, taking into account the time of day |
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Compares two times of the day, disregarding the date part. |
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Extract the date part from a DateTime indication. |
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Convert TDateTime format to DOS date/time format |
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Converts a TDateTime value to a Julian date representation |
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Convert a TDateTime timestamp to a Mac timestamp |
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Convert a TDateTime value to a modified Julian date representation |
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Convert a TDateTime value to Unix epoch time |
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Extract the day (of month) part from a DateTime value |
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Extract the day (of month) part of a DateTime value |
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Extracts the day of the week from a DateTime value |
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Extracts the day of the year from a TDateTime value |
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Number of whole days between two DateTime values. |
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Number of days in a month of a certain year. |
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Number of days in a particular year. |
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Return the number of days in the month in which a date occurs. |
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Return the number of days in the year in which a date occurs. |
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Calculate the approximate number of days between two DateTime values. |
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Decode a DateTime value in year and year of day. |
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Decode a DateTime value in a month, week of month and day of week |
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Decode a datetime value in a date and time value |
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Decode a DateTime value in a week of year and day of week. |
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Decode a DateTime value in year, month, day of week parts |
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Convert DOS date/time format to TDateTime format |
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Encodes a year and day of year to a DateTime value |
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Encodes a year, month, week of month and day of week to a DateTime value |
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Encodes a DateTime value from all its parts |
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Encode a TDateTime value from a year, week and day of week triplet |
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Encodes a year, month, week, day of week specification to a TDateTime value |
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Calculates a DateTime value representing the end of a specified day |
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Calculate a datetime value representing the last day of the indicated month |
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Return the last moment of day of the week, given a year and a week in the year. |
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Calculate a DateTime value representing the last day of a year |
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Calculate a datetime value that represents the end of a given day. |
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Calculate a DateTime value representing the last day of the month, given a day in that month. |
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Calculate a DateTime value which represents the end of a week, given a date in that week. |
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Calculate a DateTime value representing the last day of a year, given a date in that year. |
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Extract the hour part from a DateTime value. |
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Calculate the hour of a given DateTime value |
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Calculate the number of hours passed since the start of the month. |
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Calculate the number of hours elapsed since the start of the week. |
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Calculate the number of hours passed since the start of the year. |
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Calculate the number of whole hours between two DateTime values. |
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Calculate the approximate number of hours between two DateTime values. |
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Increase a DateTime value with a number of days. |
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Increase a DateTime value with a number of hours. |
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Increase a DateTime value with a number of milliseconds. |
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Increase a DateTime value with a number of minutes. |
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Increase a DateTime value with a number of seconds. |
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Increase a DateTime value with a number of weeks. |
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Increase a DateTime value with a number of years. |
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Raise an EConvertError exception when a day is not a valid day of a year. |
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Raise an EConvertError exception when a Year,Month,WeekOfMonth,DayofWeek is invalid. |
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Raise an EConvertError about an invalid date-time specification. |
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Raise an EConvertError with an invalid Year, WeekOfyear and DayOfWeek specification |
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Raise an EConvertError exception when a Year,Month,NthDayofWeek,DayofWeek is invalid. |
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Determine whether a date is in a leap year. |
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Determine whether a time is PM or AM. |
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Check if two date/time indications are the same day. |
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Check whether a given date is today. |
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Check whether a set of values is a valid date indication. |
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Check whether a given year/day of year combination is a valid date. |
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Check whether a given year/month/week/day of the week combination is a valid day |
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Check whether a set of values is a valid date and time indication. |
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Check whether a given year/week/day of the week combination is a valid day. |
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Check whether a set of values is a valid time indication. |
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Convert a Julian date representation to a TDateTime value. |
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Convert a Mac timestamp to a Unix timestamp |
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Convert a Mac timestamp to a TDateTime timestamp |
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Extract the millisecond part from a DateTime value. |
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Calculate the number of milliseconds elapsed since the start of the day |
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Calculate the number of milliseconds elapsed since the start of the hour |
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Calculate the number of milliseconds elapsed since the start of the minute |
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Calculate number of milliseconds elapsed since the start of the month. |
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Calculate the number of milliseconds elapsed since the start of the second |
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Calculate the number of milliseconds elapsed since the start of the week |
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Calculate the number of milliseconds elapsed since the start of the year. |
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Calculate the number of whole milliseconds between two DateTime values. |
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Calculate the approximate number of milliseconds between two DateTime values. |
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Extract the minute part from a DateTime value. |
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Calculate the number of minutes elapsed since the start of the day |
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Calculate the number of minutes elapsed since the start of the hour |
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Calculate number of minutes elapsed since the start of the month. |
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Calculate the number of minutes elapsed since the start of the week |
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Calculate the number of minutes elapsed since the start of the year |
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Calculate the number of whole minutes between two DateTime values. |
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Calculate the approximate number of minutes between two DateTime values. |
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Convert a modified Julian date representation to a TDateTime value. |
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Extract the month from a given date. |
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Extract the month of a DateTime indication. |
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Calculate the number of whole months between two DateTime values |
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Calculate the approximate number of months between two DateTime values. |
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Calculate which occurrence of weekday in the month a given day represents |
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Given a day of the week, return the previous day of the week. |
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Replace date part of a TDateTime value with another date. |
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Replace selected parts of a TDateTime value with other values |
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Replace day part of a TDateTime value with another day. |
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Replace hours part of a TDateTime value with another hour. |
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Replace milliseconds part of a TDateTime value with another millisecond. |
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Replace minutse part of a TDateTime value with another minute. |
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Replace month part of a TDateTime value with another month. |
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Replace seconds part of a TDateTime value with another second. |
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Replace time part of a TDateTime value with another time. |
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Replace year part of a TDateTime value with another year. |
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Check whether two TDateTime values have the same date part. |
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Check whether two TDateTime values have the same date and time parts. |
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Check whether two TDateTime values have the same time part. |
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Scans a string for a DateTime pattern and returns the date/time |
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Extract the second part from a DateTime value. |
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Calculate the number of seconds elapsed since the start of the day |
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Calculate the number of seconds elapsed since the start of the hour |
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Calculate the number of seconds elapsed since the start of the minute |
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Calculate number of seconds elapsed since the start of the month. |
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Calculate the number of seconds elapsed since the start of the week |
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Calculate the number of seconds elapsed since the start of the year. |
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Calculate the number of whole seconds between two DateTime values. |
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Calculate the approximate number of seconds between two DateTime values. |
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Return the start of a day as a DateTime value, given a day indication |
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Return first date of month, given a year/month pair. |
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Return a day of the week, given a year, week and day in the week. |
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Return the first day of a given year. |
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Calculate the start of the day as a DateTime value, given a moment in the day. |
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Calculate the first day of the month, given a date in that month. |
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Return the first day of the week, given a date. |
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Return the first day of the year, given a date in this year. |
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Extract the time part from a DateTime indication. |
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Return the current date |
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Return the next day |
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Encode a year and day of year to a TDateTime value |
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Encode a year, month, week of month and day of week to a TDateTime value |
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Encode a Year, Month, Day, Hour, minute, seconds, milliseconds tuplet to a TDateTime value |
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Encode a year, week and day of week triplet to a TDateTime value |
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Encode a year, month, week, day of week triplet to a TDateTime value |
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Convert a Julian date representation to a TDateTime value. |
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Convert a modified Julian date representation to a TDateTime value. |
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Replace selected parts of a TDateTime value with other values |
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Convert Unix Timestamp to a Mac Timestamp |
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Convert Unix epoch time to a TDateTime value |
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Extract week (of the year) from a given date. |
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Extract the week of the month (and optionally month and year) from a DateTime value |
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Extract the week of the year (and optionally year) of a DateTime indication. |
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Calculate the number of whole weeks between two DateTime values |
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Return the number of weeks in a given year |
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return the number of weeks in the year, given a date |
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Calculate the approximate number of weeks between two DateTime values. |
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Check whether two datetimes are only a number of days apart |
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Check whether two datetimes are only a number of hours apart |
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Check whether two datetimes are only a number of milliseconds apart |
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Check whether two datetimes are only a number of minutes apart |
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Check whether two datetimes are only a number of months apart |
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Check whether two datetimes are only a number of seconds apart |
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Check whether two datetimes are only a number of weeks apart |
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Check whether two datetimes are only a number of years apart |
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Extract the year from a given date. |
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Calculate the number of whole years between two DateTime values |
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Calculate the approximate number of years between two DateTime values. |
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Return the previous day. |
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