diff --git a/iwm_browser/main.py b/iwm_browser/main.py
index 45c561a..fad9176 100644
--- a/iwm_browser/main.py
+++ b/iwm_browser/main.py
@@ -8,14 +8,17 @@ import httpx
 import json
 import os
 import re
+from . import utils
 basedir = os.path.dirname(__file__)
 app = FastAPI()
 app.mount("/static", StaticFiles(directory=basedir + "/static"), name="static")
 
 template_env = jinja2.Environment(
-        loader=jinja2.PackageLoader("iwm_browser", "templates"),
-        auto_reload=True
-    )
+    loader=jinja2.PackageLoader("iwm_browser", "templates"),
+    auto_reload=True
+)
+
+template_env.globals['convert_times'] = utils.convert_times
 
 BASE_URL = "http://make.fangam.es"
 THUMB_URL = "https://images.make.fangam.es"