Huawei P20 User Manual page 140

Set Your System Time and Date
If you travel abroad or change your SIM card, your Phone will automatically display the time and date
provided by the local mobile network. You can also adjust the time and date manually, modify the
time format, or set dual clocks on your lock screen.
Open Settings and go to System > Date & time. From here you can:
Modify the time and date: Enable Automatic date & time to sync your Phone's time and date
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with your mobile network. Disable Automatic date & time to set your time and date manually.
Modify your time zone: Enable Automatic time zone to sync your Phone's time zone with your
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mobile network. Disable Automatic time zone to set your time zone manually.
Change the time format: Enable 24-hour time to set your time format to 24 hours. Disable 24-
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hour time to set your time format to 12 hours.
Set dual clocks on your lock screen: If you are overseas, your Phone will automatically display
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the local time and date provided by the local mobile network. You can enable Dual clocks and set
Home city to display dual clocks on your lock screen: one displaying the local time and the other
the time in your home country.
Print Documents and Photos from Your Phone
Connect your Phone to a printer over Wi-Fi to print out documents and photos with ease.
System
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