diff --git a/puzzles/solutions/2023/d01/p1.py b/puzzles/solutions/2023/d01/p1.py
new file mode 100644
index 00000000..a8ad35a5
--- /dev/null
+++ b/puzzles/solutions/2023/d01/p1.py
@@ -0,0 +1,23 @@
+import re
+import sys
+
+
+def calculate_calibration_values_sum(input_text: str) -> int:
+    calibration_values_sum = 0
+    for line in input_text.splitlines():
+        numbers = re.findall(r"\d", line)
+        calibration_value = int(numbers[0]) * 10 + int(numbers[-1])
+        calibration_values_sum += calibration_value
+    return calibration_values_sum
+
+
+def get_answer(input_text: str) -> int:
+    """Return the calibrations values sum."""
+    return calculate_calibration_values_sum(input_text)
+
+
+if __name__ == "__main__":
+    try:
+        print(get_answer(sys.argv[1]))
+    except IndexError:
+        pass  # Don't crash if no input was passed through command line arguments.
diff --git a/puzzles/solutions/2023/d01/p2.py b/puzzles/solutions/2023/d01/p2.py
new file mode 100644
index 00000000..38717f3f
--- /dev/null
+++ b/puzzles/solutions/2023/d01/p2.py
@@ -0,0 +1,37 @@
+import sys
+
+import p1
+
+
+DIGITS_NAMES_TO_NUMBERS = dict(
+    zip(
+        ("one", "two", "three", "four", "five", "six", "seven", "eight", "nine"),
+        (map(str, range(1, 10))),
+    )
+)
+
+
+def _convert_digits_names_to_numbers(input_text: str) -> str:
+    new_text = ""
+    for line in input_text.splitlines():
+        new_line = line[0]
+        for i in range(1, len(line)):
+            new_line += line[i]
+            for digit_name in DIGITS_NAMES_TO_NUMBERS:
+                if line.endswith(digit_name, 0, i + 1):
+                    new_line += DIGITS_NAMES_TO_NUMBERS[digit_name]
+        new_text += new_line + "\n"
+    return new_text
+
+
+def get_answer(input_text: str):
+    """Return the calibrations values sum where digits names are replaced with numbers."""
+    input_text = _convert_digits_names_to_numbers(input_text)
+    return p1.calculate_calibration_values_sum(input_text)
+
+
+if __name__ == "__main__":
+    try:
+        print(get_answer(sys.argv[1]))
+    except IndexError:
+        pass  # Don't crash if no input was passed through command line arguments.