1# zx_clock_get
2
3## NAME
4
5<!-- Updated by update-docs-from-abigen, do not edit. -->
6
7clock_get - Acquire the current time.
8
9## SYNOPSIS
10
11<!-- Updated by update-docs-from-abigen, do not edit. -->
12
13```
14#include <zircon/syscalls.h>
15
16zx_time_t zx_clock_get(zx_clock_t clock_id);
17```
18
19## DESCRIPTION
20
21`zx_clock_get()` returns the current time of *clock_id*, or 0 if *clock_id* is
22invalid.
23
24## SUPPORTED CLOCK IDS
25
26**ZX_CLOCK_MONOTONIC** number of nanoseconds since the system was powered on.
27
28**ZX_CLOCK_UTC** number of wall clock nanoseconds since the Unix epoch (midnight on January 1 1970) in UTC
29
30**ZX_CLOCK_THREAD** number of nanoseconds the current thread has been running for.
31
32## RIGHTS
33
34<!-- Updated by update-docs-from-abigen, do not edit. -->
35
36TODO(ZX-2399)
37
38## RETURN VALUE
39
40On success, `zx_clock_get()` returns the current time according to the given clock ID.
41
42## ERRORS
43
44On error, `zx_clock_get()` returns 0.
45