diff --git a/crowdin.py b/crowdin.py
index 9af5d50d..4e518fc9 100644
--- a/crowdin.py
+++ b/crowdin.py
@@ -34,7 +34,10 @@ class bcolors:
     "date_short_this_year",
     "date_short",
     "time_short_24_hour",
-    "time_short_12_hour"
+    "time_short_12_hour",
+    "date_obscured",
+    "date_long",
+    "date_long_with_time"
 ]
 
 # List of languages to skip date format check for - e.g. in Japanese, it's legal to have Japanese letters as part of the date format string:
@@ -288,11 +291,19 @@ def validate_translation(locale, path, key, text, en_string, errors, warnings,
             print("\t\t{}".format(errors[path][key][-1]))
 
     if text and key in DATE_FORMAT_KEYS and locale not in SKIP_DATE_FORMAT_CHECK:
+        if "\\'\\'\\'" in text:
+            if key not in warnings[path]:
+                warnings[path][key] = []
+            warnings[path][key].append(
+                f"Invalid date format characters: Has extra/unbalanced apostrophe")
+            if options.debug:
+                print("\t\t{}".format(warnings[path][key][-1]))
+
         without_escaped_text = re.sub(r"'.+?'", "", text)
         potentially_formatted = re.sub(r"[^\w]", "", without_escaped_text)
         bad_characters = set(
             re.findall(
-                r"[^GyYMLwWDdFEuaHkKhmsSzZX]",
+                r"[^GyMLwWDdFEuaHkKhmsSzZX]",
                 potentially_formatted)
             )
         # Find bad chars in DATE_FORMAT_KEYS
diff --git a/iNaturalist/src/main/res/values-it-rIT/strings.xml b/iNaturalist/src/main/res/values-it-rIT/strings.xml
index 2fe53d6e..6518e786 100644
--- a/iNaturalist/src/main/res/values-it-rIT/strings.xml
+++ b/iNaturalist/src/main/res/values-it-rIT/strings.xml
@@ -959,7 +959,7 @@ le <a href="https://www.inaturalist.org/pages/community+guidelines">Linee Guida
     <!-- Long date formatting template. See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
     <string name="date_long">d MMM, yyyy</string>
     <!-- Obscured observations date formatting template (only month+year). See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
-    <string name="date_obscured">MMM \'\'\'yy</string>
+    <string name="date_obscured">MMM \'\'yy</string>
     <!-- Long date with time formatting template. See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
     <string name="date_long_with_time">MMMM d, yyyy hh:mma</string>
     <string name="show_common_names">Mostra nomi comuni</string>
diff --git a/iNaturalist/src/main/res/values-it/strings.xml b/iNaturalist/src/main/res/values-it/strings.xml
index 2fe53d6e..6518e786 100644
--- a/iNaturalist/src/main/res/values-it/strings.xml
+++ b/iNaturalist/src/main/res/values-it/strings.xml
@@ -959,7 +959,7 @@ le <a href="https://www.inaturalist.org/pages/community+guidelines">Linee Guida
     <!-- Long date formatting template. See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
     <string name="date_long">d MMM, yyyy</string>
     <!-- Obscured observations date formatting template (only month+year). See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
-    <string name="date_obscured">MMM \'\'\'yy</string>
+    <string name="date_obscured">MMM \'\'yy</string>
     <!-- Long date with time formatting template. See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
     <string name="date_long_with_time">MMMM d, yyyy hh:mma</string>
     <string name="show_common_names">Mostra nomi comuni</string>
diff --git a/iNaturalist/src/main/res/values-pt-rBR/strings.xml b/iNaturalist/src/main/res/values-pt-rBR/strings.xml
index 3c5ab94f..d2b33897 100644
--- a/iNaturalist/src/main/res/values-pt-rBR/strings.xml
+++ b/iNaturalist/src/main/res/values-pt-rBR/strings.xml
@@ -957,7 +957,7 @@
     <!-- Long date formatting template. See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
     <string name="date_long">d \'de\' MMM \'de\' yyyy</string>
     <!-- Obscured observations date formatting template (only month+year). See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
-    <string name="date_obscured">MMM \'\'YY</string>
+    <string name="date_obscured">MMM \'\'yy</string>
     <!-- Long date with time formatting template. See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
     <string name="date_long_with_time">d MMMM, yyyy hh:mmH</string>
     <string name="show_common_names">Mostrar nomes comuns</string>
diff --git a/iNaturalist/src/main/res/values-sl-rSI/strings.xml b/iNaturalist/src/main/res/values-sl-rSI/strings.xml
index 9d6a650e..ba6c3b12 100644
--- a/iNaturalist/src/main/res/values-sl-rSI/strings.xml
+++ b/iNaturalist/src/main/res/values-sl-rSI/strings.xml
@@ -967,7 +967,7 @@
     <!-- Short time formatting template for 12-hour locales. See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
     <string name="time_short_12_hour">hh.mm</string>
     <!-- Long date formatting template. See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
-    <string name="date_long">dd. MM. YYYY</string>
+    <string name="date_long">dd. MM. yyyy</string>
     <!-- Obscured observations date formatting template (only month+year). See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
     <!-- Long date with time formatting template. See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
     <string name="date_long_with_time">dd. MMMM LLLL, hh.mma</string>
diff --git a/iNaturalist/src/main/res/values-sl/strings.xml b/iNaturalist/src/main/res/values-sl/strings.xml
index 9d6a650e..ba6c3b12 100644
--- a/iNaturalist/src/main/res/values-sl/strings.xml
+++ b/iNaturalist/src/main/res/values-sl/strings.xml
@@ -967,7 +967,7 @@
     <!-- Short time formatting template for 12-hour locales. See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
     <string name="time_short_12_hour">hh.mm</string>
     <!-- Long date formatting template. See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
-    <string name="date_long">dd. MM. YYYY</string>
+    <string name="date_long">dd. MM. yyyy</string>
     <!-- Obscured observations date formatting template (only month+year). See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
     <!-- Long date with time formatting template. See https://developer.android.com/reference/java/text/SimpleDateFormat#date-and-time-patterns for formatting options -->
     <string name="date_long_with_time">dd. MMMM LLLL, hh.mma</string>