diff --git a/licenses.txt b/licenses.txt
index 830ca100462ce8e12dbcbaceb924f0edbd5eed3d..e2f2f1fdaf864b8edf7ce15bd34b87c9dd86504c 100644
--- a/licenses.txt
+++ b/licenses.txt
@@ -3,3 +3,7 @@ MIT:
 - This
 - git https://github.com/nektro/zig-expect
 - git https://github.com/nektro/zig-extras
+- git https://github.com/nektro/zig-sys-linux
+
+Unspecified:
+- system_lib c
diff --git a/time.zig b/time.zig
index 4fbc043a519ed0308de0476fd7c4baeb07b60c83..00567bb9d395926147dd66187743c6ea023b3530 100644
--- a/time.zig
+++ b/time.zig
@@ -1,8 +1,15 @@
 const std = @import("std");
+const builtin = @import("builtin");
 const string = []const u8;
 const extras = @import("extras");
+const sys_linux = @import("sys-linux");
 const time = @This();
 
+const sys = switch (builtin.target.os.tag) {
+    .linux => sys_linux,
+    else => unreachable, // TODO:
+};
+
 pub const DateTime = struct {
     ms: u16,
     seconds: u8,
@@ -34,7 +41,7 @@ pub const DateTime = struct {
     }
 
     pub fn now() DateTime {
-        return initUnixMs(@intCast(std.time.milliTimestamp()));
+        return initUnixMs(@intCast(milliTimestamp()));
     }
 
     pub const epoch_unix = DateTime{
@@ -544,3 +551,16 @@ pub const s_per_min = 60;
 pub const s_per_hour = s_per_min * 60;
 pub const s_per_day = s_per_hour * 24;
 pub const s_per_week = s_per_day * 7;
+
+pub fn nanoTimestamp() i128 {
+    const ts = sys.clock_gettime(sys.CLOCK.REALTIME) catch return 0;
+    var result: i128 = 0;
+    result += ts.sec;
+    result *= ns_per_s;
+    result += ts.nsec;
+    return result;
+}
+
+pub fn milliTimestamp() i64 {
+    return @as(i64, @intCast(@divFloor(nanoTimestamp(), ns_per_ms)));
+}
diff --git a/zig.mod b/zig.mod
index e10d4c41310e98664514ef3cceffcfd6cc0b784c..7c26948a0776473010f4d90a4c77591d28d79998 100644
--- a/zig.mod
+++ b/zig.mod
@@ -6,5 +6,6 @@ description: A date and time parsing and formatting library for Zig.
 min_zig_version: 0.11.0-dev.1681+0bb178bbb
 dependencies:
   - src: git https://github.com/nektro/zig-extras
+  - src: git https://github.com/nektro/zig-sys-linux
 root_dependencies:
   - src: git https://github.com/nektro/zig-expect