diff --git a/gallery_dl/extractor/batoto.py b/gallery_dl/extractor/batoto.py
index ecbe9ebd..3a4bf500 100644
--- a/gallery_dl/extractor/batoto.py
+++ b/gallery_dl/extractor/batoto.py
@@ -190,7 +190,7 @@ def _manga_info(self, manga_id, page=None):
         "manga_id"   : text.parse_int(manga_id),
         "manga_slug" : data["slug"][1],
         "manga_date" : self.parse_timestamp(
-            data["dateCreate"][1] // 1000),
+            data["dateCreate"][1] / 1000),
         "manga_date_updated": self.parse_timestamp(
             data["dateUpdate"][1] / 1000),
         "author"     : json_list(data["authors"]),
diff --git a/gallery_dl/extractor/lofter.py b/gallery_dl/extractor/lofter.py
index b1f58ac0..d6dd3f17 100644
--- a/gallery_dl/extractor/lofter.py
+++ b/gallery_dl/extractor/lofter.py
@@ -29,7 +29,7 @@ class LofterExtractor(Extractor):
                 post = post["post"]
 
             post["blog_name"] = post["blogInfo"]["blogName"]
-            post["date"] = self.parse_timestamp(post["publishTime"] // 1000)
+            post["date"] = self.parse_timestamp(post["publishTime"] / 1000)
             post_type = post["type"]
 
             # Article
diff --git a/gallery_dl/extractor/mangapark.py b/gallery_dl/extractor/mangapark.py
index 35fbf190..cd72850f 100644
--- a/gallery_dl/extractor/mangapark.py
+++ b/gallery_dl/extractor/mangapark.py
@@ -101,7 +101,7 @@ class MangaparkChapterExtractor(MangaparkBase, ChapterExtractor):
             "language"  : util.code_to_language(lang),
             "source"    : chapter["srcTitle"],
             "source_id" : chapter["sourceId"],
-            "date"      : self.parse_timestamp(chapter["dateCreate"] // 1000),
+            "date"      : self.parse_timestamp(chapter["dateCreate"] / 1000),
         }
 
     def images(self, _):
@@ -139,7 +139,7 @@ class MangaparkMangaExtractor(MangaparkBase, Extractor):
                 "source"    : chapter["srcTitle"],
                 "source_id" : chapter["sourceId"],
                 "date"      : self.parse_timestamp(
-                    chapter["dateCreate"] // 1000),
+                    chapter["dateCreate"] / 1000),
                 "_extractor": MangaparkChapterExtractor,
             }
             yield Message.Queue, url, data
diff --git a/gallery_dl/extractor/schalenetwork.py b/gallery_dl/extractor/schalenetwork.py
index 30e57bc0..db1bbb99 100644
--- a/gallery_dl/extractor/schalenetwork.py
+++ b/gallery_dl/extractor/schalenetwork.py
@@ -126,7 +126,7 @@ class SchalenetworkGalleryExtractor(SchalenetworkExtractor, GalleryExtractor):
         data = self.request_json(url, headers=headers)
 
         try:
-            data["date"] = self.parse_timestamp(data["created_at"] // 1000)
+            data["date"] = self.parse_timestamp(data["created_at"] / 1000)
             data["count"] = len(data["thumbnails"]["entries"])
             del data["thumbnails"]
         except Exception:
diff --git a/gallery_dl/extractor/twitter.py b/gallery_dl/extractor/twitter.py
index cc3812ec..1e570403 100644
--- a/gallery_dl/extractor/twitter.py
+++ b/gallery_dl/extractor/twitter.py
@@ -364,9 +364,9 @@ class TwitterExtractor(Extractor):
             author = tweet["user"]
         author = self._transform_user(author)
 
-        if tweet_id >= 300000000000000:
+        if tweet_id >= 300_000_000_000_000:
             date = self.parse_timestamp(
-                ((tweet_id >> 22) + 1288834974657) // 1000)
+                ((tweet_id >> 22) + 1_288_834_974_657) / 1000)
         else:
             try:
                 date = self.parse_datetime(
@@ -461,7 +461,7 @@ class TwitterExtractor(Extractor):
         if tdata["retweet_id"]:
             tdata["content"] = f"RT @{author['name']}: {tdata['content']}"
             tdata["date_original"] = self.parse_timestamp(
-                ((tdata["retweet_id"] >> 22) + 1288834974657) // 1000)
+                ((tdata["retweet_id"] >> 22) + 1_288_834_974_657) / 1000)
 
         return tdata
 
@@ -497,7 +497,7 @@ class TwitterExtractor(Extractor):
             "id": text.parse_int(cid),
             "name": com.get("name"),
             "description": com.get("description"),
-            "date": self.parse_timestamp(com.get("created_at", 0) // 1000),
+            "date": self.parse_timestamp(com.get("created_at", 0) / 1000),
             "nsfw": com.get("is_nsfw"),
             "role": com.get("role"),
             "member_count": com.get("member_count"),
@@ -928,7 +928,7 @@ class TwitterBookmarkExtractor(TwitterExtractor):
     def _transform_tweet(self, tweet):
         tdata = TwitterExtractor._transform_tweet(self, tweet)
         tdata["date_bookmarked"] = self.parse_timestamp(
-            (int(tweet["sortIndex"] or 0) >> 20) // 1000)
+            (int(tweet["sortIndex"] or 0) >> 20) / 1000)
         return tdata
 
 
diff --git a/gallery_dl/extractor/vsco.py b/gallery_dl/extractor/vsco.py
index 6046a78c..b6b678ba 100644
--- a/gallery_dl/extractor/vsco.py
+++ b/gallery_dl/extractor/vsco.py
@@ -62,7 +62,7 @@ class VscoExtractor(Extractor):
                 "grid"  : img["grid_name"],
                 "meta"  : img.get("image_meta") or {},
                 "tags"  : [tag["text"] for tag in img.get("tags") or ()],
-                "date"  : self.parse_timestamp(img["upload_date"] // 1000),
+                "date"  : self.parse_timestamp(img["upload_date"] / 1000),
                 "video" : img["is_video"],
                 "width" : img["width"],
                 "height": img["height"],