diff --git a/src/lang/ID b/src/lang/ID
new file mode 100644
index 0000000..21c7b20
--- /dev/null
+++ b/src/lang/ID
@@ -0,0 +1,34 @@
+	String monthStr(const uint8_t month) {
+		switch(month) {
+			case 1: return  F("januari");
+			case 2: return  F("februari");		
+			case 3: return  F("maret");
+			case 4: return  F("april");
+			case 5: return  F("mei");
+			case 6: return  F("juni");
+			case 7: return  F("juli");
+			case 8: return  F("agustus");
+			case 9: return  F("september");
+			case 10: return F("oktober");
+			case 11: return F("november");
+			case 12: return F("desember");
+		}
+		return "";
+	}
+
+	String monthShortStr(const uint8_t month) { return monthStr(month).substring(0,3); }
+
+	String dayStr(const uint8_t day) {
+		switch(day) {
+			case 1: return F("minggu");
+			case 2: return F("senin");
+			case 3: return F("selasa");		
+			case 4: return F("rabu");
+			case 5: return F("kamis");
+			case 6: return F("jumat");
+			case 7: return F("sabtu");
+		}
+		return "";
+	}
+
+	String dayShortStr(const uint8_t day) { return dayStr(day).substring(0,2); }