harmony 鸿蒙date
date
Command Function
This command is used to query the system date and time.
Syntax
date
date –help
date +[Format]
date -u
Parameters
Table 1 Parameter description
Parameter | Description | Value Range |
---|---|---|
–help | Displays help information. | N/A |
+Format | Prints the date and time in the specified format. | Placeholders listed in –help |
-u | Displays UTC (not the current time zone). | N/A |
Usage Guidelines
If no parameter is specified, the system date and time in UTC format are displayed by default.
The –help, +Format, and -u parameters are mutually exclusive.
Currently, this command cannot be used to set the time or date.
Note
The shell does not support date -u. mksh supports it. To switch to mksh, run cd bin and ./mksh.
Example
Run date +%Y–%m–%d.
Output
System date in the specified format:
OHOS:/$ date +%Y--%m--%d
1970--01--01
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