PLEASE HELP ME I’ll give brainliest

A P-wave arrived at an epicenter station 4,000 km away at
5:20:00. What time did the first S-wave arrive at this station?

PLEASE HELP ME Ill give brainliest A Pwave arrived at an epicenter station 4000 km away at 52000 What time did the first Swave arrive at this station class=