diff --git a/api/icsneo/icsneo.cpp b/api/icsneo/icsneo.cpp
index 35cacdf..2335a42 100644
--- a/api/icsneo/icsneo.cpp
+++ b/api/icsneo/icsneo.cpp
@@ -41,22 +41,25 @@ ICSNEO_API icsneo_error_t icsneo_error_code(icsneo_error_t error_code, const cha
     std::string error;
     switch (error_code) {
         case icsneo_error_success:
-            error = "success";
+            error = "Success";
             break;
         case icsneo_error_invalid_parameters:
-            error = "invalid parameters";
+            error = "Invalid function parameters";
             break;
         case icsneo_error_open_failed:
-            error = "open failed";
+            error = "Open failed";
             break;
         case icsneo_error_go_online_failed:
-            error = "go online failed";
+            error = "Going online failed";
             break;
         case icsneo_error_enable_message_polling_failed:
-            error = "enable message polling failed";
+            error = "Enable message polling failed";
             break;
         case icsneo_error_sync_rtc_failed:
-            error = "sync RTC failed";
+            error = "Syncronizing RTC failed";
+            break;
+        case icsneo_error_rtc_failure:
+            error = "RTC failure";
             break;
         // Don't default, let the compiler warn us if we forget to handle an error code
     }
@@ -621,6 +624,30 @@ ICSNEO_API icsneo_error_t icsneo_event_get_description(icsneo_event_t* event, co
     return icsneo_error_success;
 }
 
+ICSNEO_API icsneo_error_t icsneo_device_get_rtc(icsneo_device_t* device, int64_t* unix_epoch) {
+    if (!device || !unix_epoch) {
+        return icsneo_error_invalid_parameters;
+    }
+    // TODO: Check if device is valid
+    if (auto rtc_time = device->device->getRTC(); rtc_time != std::nullopt) {
+        *unix_epoch = std::chrono::duration_cast<std::chrono::seconds>(rtc_time->time_since_epoch()).count();
+    } else {
+        *unix_epoch = 0;
+        return icsneo_error_rtc_failure;
+    }
+    return icsneo_error_success;
+}
+ICSNEO_API icsneo_error_t icsneo_device_set_rtc(icsneo_device_t* device, int64_t* unix_epoch) {
+    if (!device || !unix_epoch) {
+        return icsneo_error_invalid_parameters;
+    }
+    // TODO: Check if device is valid
+    if (!device->device->setRTC(std::chrono::system_clock::time_point(std::chrono::seconds(*unix_epoch)))) {
+        return icsneo_error_sync_rtc_failed;
+    }
+    return icsneo_error_success;
+}
+
 /*
 	Type getType() const noexcept { return Type(eventStruct.eventNumber); }
 	Severity getSeverity() const noexcept { return Severity(eventStruct.severity); }
diff --git a/include/icsneo/icsneo.h b/include/icsneo/icsneo.h
index ca0fcb3..ffe4e11 100644
--- a/include/icsneo/icsneo.h
+++ b/include/icsneo/icsneo.h
@@ -82,6 +82,8 @@ typedef enum _icsneo_error_t {
     icsneo_error_get_messages_failed,
     // Generic invalid type error
     icsneo_error_invalid_type,
+    // Generic RTC error code
+    icsneo_error_rtc_failure,
 } _icsneo_error_t;
 
 /** @brief Integer representation of _icsneo_error_t enum. 
@@ -408,17 +410,6 @@ ICSNEO_API icsneo_error_t icsneo_can_message_baudrate_switch(icsneo_device_t* de
 */
 ICSNEO_API icsneo_error_t icsneo_can_message_error_state_indicator(icsneo_device_t* device, icsneo_message_t* message, bool* value);
 
-
-/*
-	uint32_t arbid;
-	uint8_t dlcOnWire;
-	bool isRemote = false; // Not allowed if CAN FD
-	bool isExtended = false;
-	bool isCANFD = false;
-	bool baudrateSwitch = false; // CAN FD only
-	bool errorStateIndicator = false; // CAN FD only
-*/
-
 /** @brief Get the global events not specifically related to a device.
  * 
  * @param[out] icsneo_event_t** events Pointer to an array of icsneo_event_t to copy the events into.
@@ -450,6 +441,24 @@ ICSNEO_API icsneo_error_t icsneo_device_get_events(icsneo_device_t* device, icsn
  */
 ICSNEO_API icsneo_error_t icsneo_event_get_description(icsneo_event_t* event, const char* value, uint32_t* value_length);
 
+/** @brief Get the RTC (Real time clock) of a device.
+ * 
+ * @param[in] icsneo_device_t device The device to get the RTC of.
+ * @param[out] int64_t* unix_epoch Pointer to an int64_t to copy the RTC into.
+ * 
+ * @return icsneo_error_t icsneo_error_success if successful, icsneo_error_invalid_parameters otherwise.
+ */
+ICSNEO_API icsneo_error_t icsneo_device_get_rtc(icsneo_device_t* device, int64_t* unix_epoch);
+
+/** @brief Set the RTC (Real time clock) of a device.
+ * 
+ * @param[in] icsneo_device_t device The device to get the RTC of.
+ * @param[in] int64_t* unix_epoch int64_t to copy the RTC into.
+ * 
+ * @return icsneo_error_t icsneo_error_success if successful, icsneo_error_invalid_parameters otherwise.
+ */
+ICSNEO_API icsneo_error_t icsneo_device_set_rtc(icsneo_device_t* device, int64_t* unix_epoch);
+
 #ifdef __cplusplus
 }
 #endif