diff --git a/main/utils.cpp b/main/utils.cpp
index 4304e3e..e87c634 100644
--- a/main/utils.cpp
+++ b/main/utils.cpp
@@ -338,3 +338,9 @@ float float_map(float x, float in_min, float in_max, float out_min, float out_ma
 
     return (delta * dividend + (divisor / 2.f)) / divisor + out_min;
 }
+
+bool is_valid_timestamp(espchrono::utc_clock::time_point timestamp)
+{
+    using namespace date;
+    return timestamp.time_since_epoch() > sys_seconds{sys_days{1_d/January/2000}}.time_since_epoch();
+}
diff --git a/main/utils.h b/main/utils.h
index bb87bf7..032ea38 100644
--- a/main/utils.h
+++ b/main/utils.h
@@ -80,3 +80,4 @@ inline CRGB UINT32_TO_CRGB(uint32_t color)
 
 std::string get_wifi_security_string(wifi_auth_mode_t authMode);
 float float_map(float x, float in_min, float in_max, float out_min, float out_max);
+bool is_valid_timestamp(espchrono::utc_clock::time_point timestamp);