Only briefly, you would have to regularly travel east, for me it worked out that I'd travel around the globe every 9 weeks or so, just to keep the 9-5 momentum.

Only briefly, you would have to regularly travel east, for me it worked out that I'd travel around the globe every 9 weeks or so, just to keep the 9-5 momentum. Though it is one of those instances in which you are effectively using your late night sleep phase in conjunction with jet-lag to maintain those regular hours. So technically, yes, but only briefly and you would then have to repeat once your natural rhythm caught up with you. So about 2 weeks and then have to move again.