diff --git a/README.md b/README.md
index e44aafc1..34ca4f5f 100644
--- a/README.md
+++ b/README.md
@@ -237,6 +237,10 @@ Hereafter described is the default *plain* format, which uses MSB bit numbering.
 
   	byte 1-2:	Battery or USB Voltage [mV], 0 if no battery probe
 
+**Port #9:** Time/Date
+
+  	byte 1-2:	board's local time/date in UNIX epoch (number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds) 
+
 # Remote control
 
 The device listenes for remote control commands on LoRaWAN Port 2. Multiple commands per downlink are possible by concatenating them.
@@ -358,6 +362,10 @@ Note: all settings are stored in NVRAM and will be reloaded when device starts.
 
 	Device answers with BME680 sensor data set on Port 7.
 
+0x86 get time/date
+
+	Device answers with it's local time/date (UTC Unix epoch) on Port 9.
+
 	
 # License