Long Date Expression
Pattern: (START|END OF)? NEXT|PREVIOUS /d DAY|WEEK|MONTH|YEAR
For example:
current date: 2016-02-05 08:21:11 (Friday)
START OF NEXT 2 DAY -> it will be add 2 days to current date and truncate it to day. Result: 2016-02-07 00:00:00
END OF NEXT 1 WEEK -> it will be add 1 week to current date and truncate it to week. Result: 2016-02-14 00:00:00