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