Why is the help line not available? it is only 3:55pm PST.

Hello there, @ajeepthang.

QuickBooks Online support isn’t available right now because today is Sunday. QuickBooks has specific operating hours for phone and chat support, and most plans do not offer live assistance on Sundays.

Here are the standard support hours (Pacific Time):

• QuickBooks Online Simple Start, Essentials, Plus, Solopreneur:
  Mon–Fri: 6 AM – 6 PM
  Sat: 6 AM – 3 PM
  Sun: Closed
• QuickBooks Online Advanced:
  Mon–Fri: 6 AM – 7 PM
  Sat–Sun: 6 AM – 3 PM (Advanced offers extended weekend support)
   

If you have any additional questions, please feel free to reply to this thread.