There are two variables:
var last_state_tim_strt = moment(last_state['TimStrt'], 'YYYYMMDDHHmmss').valueOf(); var current_state_tim_strt = moment(state['TimStrt'], 'YYYYMMDDHHmmss').valueOf(); How to compare by date?
if (moment(last_state_tim_strt, 'YYYYMMDD', true).format() == moment(current_state_tim_strt, 'YYYYMMDD', true).format()){ /* ... */ }