![]() The ‘date’ trick is what you’d want to use if the Mac in question does not have internet access for one reason or another. You can learn more about setting the date with date –help, which also specifies that you can even set the seconds if you want to. ![]() This looks something like:įor that example, it would set the date as “Jat 12:23”. Set the Mac System Date Manually by Terminal CommandĪnother approach is to set the date manually from the command line by using the “date” command string, where date is in the HH]MM format, which is Month Date Hour Minute Year without any separation. You generally don’t need to do this if you use the “Set date and time automatically” feature within the Date & Time system preferences, though by setting clocks through the command line you could be sure that each machine on a network shows the exact same time. In this example, the system clock was off by a laughably small fraction of a second. The offset at the end lets you know how divergent the system clock was with the newly set time. ![]() Set System Date in Mac OS X from Command Line with a Central Time Serverįor ntpdate, which sets the date and time based on the time from a central server accessed via the internet, you’d want to point it either at Apple’s time servers or as follows to get the exact time:Įnter the admin password when asked, and you’ll soon see something like the following:Ĥ Jul 14:30:11 ntpdate: adjust time server 17.151.16.14 offset 0.000336 sec While its quite easy to change which disk your machine starts up from using System Preferences there may be times when you need/want to do it either at the. ![]()
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