PST PST (24hr) GMT/ Z(ulu)/ UTC EST PST PST (24nr) GMT/ Z(ulu)/ UTC EST 1am 1:00 9:00 4am 1pm 13:00 21:00 4pm 2am 2:00 10:00 5am 2pm 14:00 22:00 5pm 3am 3:00 11:00 6am 3pm 15:00 23:00 6pm 4am 4:00 12:00 7am 4pm 16:00 0:00 7pm 5am 5:00 13:00 8am 5pm 17:00 1:00 8pm 6am 6:00 14:00 9am 6pm 18:00 2:00 9pm 7am 7:00 15:00 10am 7pm 19:00 3:00 10pm 8am 8:00 16:00 11am 8pm 20:00 4:00 11pm 9am 9:00 17:00 12pm 9pm 21:00 5:00 12am 10am 10:00 18:00 1pm 10pm 22:00 6:00 1am 11am 11:00 19:00 2am 11pm 23:00 7:00 2am 12pm (noon) 12:00 20:00 3pm 12am (mid) 0:00 8:00 3am

PST = Pacific Standard Time
GMT/Z/Zulu/UTC = Greenwich Mean Time (time at 0 long.)
EST = Eastern Standard Time

 PDT PDT (24hr) GMT/ Z(ulu)/ UTC EDT PDT PDT (24hr) GMT/ Z(ulu)/ UTC EDT 1am 1:00 8:00 4am 1pm 13:00 20:00 4pm 2am 2:00 9:00 5am 2pm 14:00 21:00 5pm 3am 3:00 10:00 6am 3pm 15:00 22:00 6pm 4am 4:00 11:00 7am 4pm 16:00 23:00 7pm 5am 5:00 12:00 8am 5pm 17:00 0:00 8pm 6am 6:00 13:00 9am 6pm 18:00 1:00 9pm 7am 7:00 14:00 10am 7pm 19:00 2:00 10pm 8am 8:00 15:00 11am 8pm 20:00 3:00 11pm 9am 9:00 16:00 12pm 9pm 21:00 4:00 12am 10am 10:00 17:00 1pm 10pm 22:00 5:00 1am 11am 11:00 18:00 2pm 11pm 23:00 6:00 2am 12pm (noon) 12:00 19:00 3pm 12am (mid.) 0:00 7:00 3am

PDT = Pacific Daylight Time
GMT/Z/Zulu/UTC = Greenwich Mean Time (time at 0 long.)
EDT = Eastern Daylight Time