Code help (time plus)

[Kris191]

Hi all

i want my cli to report when the next candle will trigger i.e 

Next candle time: (date and time)

I have the code to report current time how do i get it to report that time plus my candle size of 4 hrs?

Code:

log.info('\t Next Candle Update:', this.marketTime.format('YYYY-MM-DD HH:mm:ss'))

All help welcome please