diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a9e63ce..a2ff450 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -14,7 +14,7 @@ repos:
       files: requirements-dev.txt
 
 - repo: https://github.com/psf/black
-  rev: 23.12.1
+  rev: 24.1.1
   hooks:
   - id: black
     language_version: python3
@@ -33,10 +33,10 @@ repos:
     - id: blackdoc
 
 - repo: https://github.com/econchick/interrogate
-  rev: 1.5.0
+  rev: 237be78f9c6135fc1a620d211cdfdc5d3885082b
   hooks:
     - id: interrogate
-      exclude: ^(docs|setup.py|tests)
+      exclude: ^(docs|tests)
       args: [--config=pyproject.toml]
 
 - repo: https://github.com/codespell-project/codespell
@@ -56,12 +56,12 @@ repos:
     - id: add-trailing-comma
 
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.1.9
+  rev: v0.1.15
   hooks:
     - id: ruff
 
 - repo: https://github.com/tox-dev/pyproject-fmt
-  rev: 1.5.3
+  rev: 1.7.0
   hooks:
     - id: pyproject-fmt
 
diff --git a/gliderpy/fetchers.py b/gliderpy/fetchers.py
index f5b0f83..c47df35 100644
--- a/gliderpy/fetchers.py
+++ b/gliderpy/fetchers.py
@@ -30,10 +30,7 @@ def _to_pandas_multiple(glider_grab):
     glider_grab_copy = copy(glider_grab)
     for dataset_id in glider_grab_copy.datasets["Dataset ID"]:
         glider_grab_copy.fetcher.dataset_id = dataset_id
-        df = glider_grab_copy.fetcher.to_pandas(
-            index_col="time (UTC)",
-            parse_dates=True,
-        )
+        df = glider_grab_copy.fetcher.to_pandas()
         dataset_url = glider_grab_copy.fetcher.get_download_url().split("?")[0]
         df = standardise_df(df, dataset_url)
         df_all.update({dataset_id: df})
@@ -45,8 +42,11 @@ def standardise_df(df, dataset_url):
     Standardise variable names in a dataset and add column for url
     """
     df.columns = df.columns.str.lower()
-    df.rename(columns=dict(server_parameter_rename), inplace=True)
-    df.index.rename("time", inplace=True)
+    df = df.set_index("time (utc)")
+    df = df.rename(columns=server_parameter_rename)
+    df.index = pd.to_datetime(df.index)
+    # We need to sort b/c of the non-sequential submission of files due to the nature of glider data transmission.
+    df = df.sort_index()
     df["dataset_url"] = dataset_url
     return df
 
@@ -79,10 +79,7 @@ def to_pandas(self):
         :return: pandas dataframe with datetime UTC as index, multiple dataset_ids dataframes are stored in a dictionary
         """
         if self.fetcher.dataset_id:
-            df = self.fetcher.to_pandas(
-                index_col="time (UTC)",
-                parse_dates=True,
-            )
+            df = self.fetcher.to_pandas()
         elif not self.fetcher.dataset_id and self.datasets is not None:
             df_all = _to_pandas_multiple(self)
             # We need to reset to avoid fetching a single dataset_id when making multiple requests.
@@ -93,7 +90,7 @@ def to_pandas(self):
                 f"Must provide a {self.fetcher.dataset_id} or `query` terms to download data.",
             )
 
-        # Standardize variable names.
+        # Standardize variable names for the single dataset_id.
         dataset_url = self.fetcher.get_download_url().split("?")[0]
         df = standardise_df(df, dataset_url)
         return df
diff --git a/gliderpy/servers.py b/gliderpy/servers.py
index b33d3de..eae8b4f 100644
--- a/gliderpy/servers.py
+++ b/gliderpy/servers.py
@@ -3,7 +3,6 @@
 
 """
 
-
 server_vars = {
     "https://gliders.ioos.us/erddap": [
         "latitude",
@@ -30,4 +29,5 @@
     "salinity (1)": "salinity",
     "temp (degree_celsius)": "temperature",
     "temperature (celsius)": "temperature",
+    "time (utc)": "time",
 }
diff --git a/pyproject.toml b/pyproject.toml
index 23b6634..7223fce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -86,7 +86,6 @@ ignore = [
   "tests",
   "tests/*",
 ]
-##
 
 [tool.pytest.ini_options]
 filterwarnings = [
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 77d68bc..c4c6685 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,5 @@
+# Pyarrow will be required in pandas 3.0,
+# added here for better performance and to avoid a deprecation warning.
 cartopy
 check-manifest
 jupyter
@@ -6,6 +8,7 @@ nbconvert
 nbsphinx
 palettable
 pre-commit
+pyarrow
 pytest
 pytest-cov
 pytest-flake8