diff --git a/applications/debug/unit_tests/datetimelib/datetimelib_test.c b/applications/debug/unit_tests/datetimelib/datetimelib_test.c
index 42bc7dbed72..bf8e6fabd71 100644
--- a/applications/debug/unit_tests/datetimelib/datetimelib_test.c
+++ b/applications/debug/unit_tests/datetimelib/datetimelib_test.c
@@ -112,7 +112,7 @@ MU_TEST_SUITE(test_datetime_validate_datetime) {
 
 MU_TEST(test_datetime_timestamp_to_datetime_min) {
     uint32_t test_value = 0;
-    DateTime min_datetime_expected = {0, 0, 0, 1, 1, 1970, 0};
+    DateTime min_datetime_expected = {0, 0, 0, 1, 1, 1970, 4};
 
     DateTime result = {0};
     datetime_timestamp_to_datetime(test_value, &result);
@@ -122,7 +122,7 @@ MU_TEST(test_datetime_timestamp_to_datetime_min) {
 
 MU_TEST(test_datetime_timestamp_to_datetime_max) {
     uint32_t test_value = UINT32_MAX;
-    DateTime max_datetime_expected = {6, 28, 15, 7, 2, 2106, 0};
+    DateTime max_datetime_expected = {6, 28, 15, 7, 2, 2106, 7};
 
     DateTime result = {0};
     datetime_timestamp_to_datetime(test_value, &result);
@@ -141,10 +141,26 @@ MU_TEST(test_datetime_timestamp_to_datetime_to_timestamp) {
     mu_assert_int_eq(test_value, result);
 }
 
+MU_TEST(test_datetime_timestamp_to_datetime_weekday) {
+    uint32_t test_value = 1709748421; // Wed Mar 06 18:07:01 2024 UTC
+
+    DateTime datetime = {0};
+    datetime_timestamp_to_datetime(test_value, &datetime);
+
+    mu_assert_int_eq(datetime.hour, 18);
+    mu_assert_int_eq(datetime.minute, 7);
+    mu_assert_int_eq(datetime.second, 1);
+    mu_assert_int_eq(datetime.day, 6);
+    mu_assert_int_eq(datetime.month, 3);
+    mu_assert_int_eq(datetime.weekday, 3);
+    mu_assert_int_eq(datetime.year, 2024);
+}
+
 MU_TEST_SUITE(test_datetime_timestamp_to_datetime_suite) {
     MU_RUN_TEST(test_datetime_timestamp_to_datetime_min);
     MU_RUN_TEST(test_datetime_timestamp_to_datetime_max);
     MU_RUN_TEST(test_datetime_timestamp_to_datetime_to_timestamp);
+    MU_RUN_TEST(test_datetime_timestamp_to_datetime_weekday);
 }
 
 MU_TEST(test_datetime_datetime_to_timestamp_min) {
diff --git a/lib/datetime/datetime.c b/lib/datetime/datetime.c
index 7b1f73dd0f1..73044fae60d 100644
--- a/lib/datetime/datetime.c
+++ b/lib/datetime/datetime.c
@@ -71,6 +71,7 @@ void datetime_timestamp_to_datetime(uint32_t timestamp, DateTime* datetime) {
     uint32_t seconds_in_day = timestamp % SECONDS_PER_DAY;
 
     datetime->year = EPOCH_START_YEAR;
+    datetime->weekday = ((days + 3) % 7) + 1;
 
     while(days >= datetime_get_days_per_year(datetime->year)) {
         days -= datetime_get_days_per_year(datetime->year);