A lite version of moment
calcDate(structuredDate) - returns calculated date format
parseDate(strDate) - returns parse date(Bydefault parses into GMT time, so need +05:30 for IST conversion)
parseDateTime(strDate) - parses Date time (Function for format 20170317)
addDays(sourceDate, days) - Adds number of days from the source date and return the date adding x days
getDayName(dateObj, options = {}) - Returns day name eg Sunday', 'Monday' If short is passed as an option Return Tues else Tuesday
_subtract(value, type)
- Return samay instance according to the value and type passed
_add(value, type)
- Return samay instance according to the value and type passed`
isPastDate(date1,date2) - compares given 2 dates. (compares whether the date1 is past date from date2)