![]() If the date was wrong, it was likely that which caused the error, and after you quit the terminal it should be able to install OS X just fine. You can then check if it was set correctly by running the first command again. Which means, you can just enter it exactly like this: date -uĮnter the command and hit return. To avoid trouble with timezones, we will use UTC time instead (). Below you see what the command should be for your current time and date –. This command will be entered as follows: date -u Įvery bracket should be replaced with a two-digit number based on UTC time. For some reason, it might have been reset to 2001, in which case we need to set it to the right date. The result of this command will be the date that the system currently has been set to. Once in the terminal enter the following command and hit return/enter: date You can check this by going to utilities and opening the terminal. Now, if you haven’t used your Mac for a while, the error might be caused by an incorrect system date setting. When you’re booting your Mac from the recovery partition and are planning to reinstall OS X, you might be met by the following message:Īn error occurred while preparing the installation. March 2013 Changing system date from Terminal – OS X recovery 150 DXCC entities worked on 17m FT8 May 30, 2021.Some equipment changes – I’ve got a new amplifier June 15, 2021.I no longer have a new amplifier but I do have a new radio. ![]() ![]() ![]() I have a new amplifier (again) July 31, 2021.Entering the Batavia FT8 contest August 9, 2021.Being in the right place at the right time August 19, 2021.Amateur radio picture of the week August 30, 2021.MMDVM Hotspot and the new Raspberry Pi Zero 2 W November 9, 2021.QSO365 #3 is complete – Ten QSOs per day in 2021 January 1, 2022.Social distancing for the radio amateur.It’s customisable so you can set it up exactly how you want and because that’s all it does, it consumes practically zero system resources. The result is a Mac application called “ Menu Bar UTC” which does nothing more than sit in your menu bar and display the time in UTC, including seconds. I contacted the author of one of these and he very kindly offered to write something for me which does exactly what I wanted. They all offered far too many functions such as multiple time zones, alarms, moon phase but none of them would give me just UTC including seconds. There are many clocks available but none which suited my needs. I couldn’t find anything suitable and instead I looked for a clock I could configure in the menu bar to show me UTC time. Display a free clock for UTC on your website or blog More about UTC Time Zone Abbreviations. Sadly the author of this software died some time ago and because it was a 32bit application, it stopped working when macOS Catalina was released so I spent some time looking for an alternative. Universal Time Coordinated / Universal Coordinated Time: Successor to: Greenwich Mean Time (GMT) Military name: Zulu Military Time: Longitude: 0° (Prime Meridian). This was ideal as I could just glance at it and see the time including seconds. We log our QSOs in UTC, (ideally) we give net times in UTC and our clocks need to be accurate to the second for data modes such as FT8, FT4, JT65, JT9 and WSPR.įor a long time, I had a piece of software running on my Mac which I had configured to show UTC in large text, overlaid on the bottom left corner of the screen. As radio amateurs, time is important to us and Coordinated Universal Time (UTC), often called Greenwich Mean Time (GMT) is the most important.
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