diff --git a/esphome/components/gps/gps.cpp b/esphome/components/gps/gps.cpp
index 0391a9a955..26371565f3 100644
--- a/esphome/components/gps/gps.cpp
+++ b/esphome/components/gps/gps.cpp
@@ -8,5 +8,41 @@ static const char *TAG = "gps";
 
 TinyGPSPlus &GPSListener::get_tiny_gps() { return this->parent_->get_tiny_gps(); }
 
+void GPS::loop() {
+  while (this->available() && !this->has_time_) {
+    if (this->tiny_gps_.encode(this->read())) {
+      if (tiny_gps_.location.isUpdated()) {
+        ESP_LOGD(TAG, "Location:");
+        ESP_LOGD(TAG, "  Lat: %f", tiny_gps_.location.lat());
+        ESP_LOGD(TAG, "  Lon: %f", tiny_gps_.location.lng());
+      }
+
+      if (tiny_gps_.speed.isUpdated()) {
+        ESP_LOGD(TAG, "Speed:");
+        ESP_LOGD(TAG, "  %f km/h", tiny_gps_.speed.kmph());
+      }
+      if (tiny_gps_.course.isUpdated()) {
+        ESP_LOGD(TAG, "Course:");
+        ESP_LOGD(TAG, "  %f °", tiny_gps_.course.deg());
+      }
+      if (tiny_gps_.altitude.isUpdated()) {
+        ESP_LOGD(TAG, "Altitude:");
+        ESP_LOGD(TAG, "  %f m", tiny_gps_.altitude.meters());
+      }
+      if (tiny_gps_.satellites.isUpdated()) {
+        ESP_LOGD(TAG, "Satellites:");
+        ESP_LOGD(TAG, "  %d", tiny_gps_.satellites.value());
+      }
+      if (tiny_gps_.satellites.isUpdated()) {
+        ESP_LOGD(TAG, "HDOP:");
+        ESP_LOGD(TAG, "  %.2f", tiny_gps_.hdop.hdop());
+      }
+
+      for (auto *listener : this->listeners_)
+        listener->on_update(this->tiny_gps_);
+    }
+  }
+}
+
 }  // namespace gps
 }  // namespace esphome
diff --git a/esphome/components/gps/gps.h b/esphome/components/gps/gps.h
index 7d845d1bed..84a9248bc6 100644
--- a/esphome/components/gps/gps.h
+++ b/esphome/components/gps/gps.h
@@ -27,14 +27,7 @@ class GPS : public Component, public uart::UARTDevice {
     this->listeners_.push_back(listener);
   }
   float get_setup_priority() const override { return setup_priority::HARDWARE; }
-  void loop() override {
-    while (this->available() && !this->has_time_) {
-      if (this->tiny_gps_.encode(this->read())) {
-        for (auto *listener : this->listeners_)
-          listener->on_update(this->tiny_gps_);
-      }
-    }
-  }
+  void loop() override;
   TinyGPSPlus &get_tiny_gps() { return this->tiny_gps_; }
 
  protected:
diff --git a/esphome/components/gps/time/gps_time.cpp b/esphome/components/gps/time/gps_time.cpp
index c6aa8adc67..468ad09bac 100644
--- a/esphome/components/gps/time/gps_time.cpp
+++ b/esphome/components/gps/time/gps_time.cpp
@@ -6,5 +6,29 @@ namespace gps {
 
 static const char *TAG = "gps.time";
 
+void GPSTime::from_tiny_gps_(TinyGPSPlus &tiny_gps) {
+  if (!tiny_gps.time.isValid() || !tiny_gps.date.isValid())
+    return;
+  if (!tiny_gps.time.isUpdated() || !tiny_gps.date.isUpdated())
+    return;
+  if (tiny_gps.date.year() < 2019)
+    return;
+
+  time::ESPTime val{};
+  val.year = tiny_gps.date.year();
+  val.month = tiny_gps.date.month();
+  val.day_of_month = tiny_gps.date.day();
+  // Set these to valid value for  recalc_timestamp_utc - it's not used for calculation
+  val.day_of_week = 1;
+  val.day_of_year = 1;
+
+  val.hour = tiny_gps.time.hour();
+  val.minute = tiny_gps.time.minute();
+  val.second = tiny_gps.time.second();
+  val.recalc_timestamp_utc(false);
+  this->synchronize_epoch_(val.timestamp);
+  this->has_time_ = true;
+}
+
 }  // namespace gps
 }  // namespace esphome
diff --git a/esphome/components/gps/time/gps_time.h b/esphome/components/gps/time/gps_time.h
index b09aee364f..f6462be3e0 100644
--- a/esphome/components/gps/time/gps_time.h
+++ b/esphome/components/gps/time/gps_time.h
@@ -18,20 +18,7 @@ class GPSTime : public time::RealTimeClock, public GPSListener {
   }
 
  protected:
-  void from_tiny_gps_(TinyGPSPlus &tiny_gps) {
-    if (!tiny_gps.time.isValid() || !tiny_gps.date.isValid())
-      return;
-    time::ESPTime val{};
-    val.year = tiny_gps.date.year();
-    val.month = tiny_gps.date.month();
-    val.day_of_month = tiny_gps.date.day();
-    val.hour = tiny_gps.time.hour();
-    val.minute = tiny_gps.time.minute();
-    val.second = tiny_gps.time.second();
-    val.recalc_timestamp_utc(false);
-    this->synchronize_epoch_(val.timestamp);
-    this->has_time_ = true;
-  }
+  void from_tiny_gps_(TinyGPSPlus &tiny_gps);
   bool has_time_{false};
 };
 
diff --git a/esphome/components/time/__init__.py b/esphome/components/time/__init__.py
index 2097be3a26..ca1ac375ba 100644
--- a/esphome/components/time/__init__.py
+++ b/esphome/components/time/__init__.py
@@ -115,8 +115,9 @@ def convert_tz(pytz_obj):
                                 _tz_dst_str(dst_begins_local), _tz_dst_str(dst_ends_local))
     _LOGGER.info("Detected timezone '%s' with UTC offset %s and daylight savings time from "
                  "%s to %s",
-                 tzname_off, _tz_timedelta(utcoffset_off), dst_begins_local.strftime("%x %X"),
-                 dst_ends_local.strftime("%x %X"))
+                 tzname_off, _tz_timedelta(utcoffset_off),
+                 dst_begins_local.strftime("%d %B %X"),
+                 dst_ends_local.strftime("%d %B %X"))
     return tzbase + tzext
 
 
diff --git a/esphome/components/time/real_time_clock.cpp b/esphome/components/time/real_time_clock.cpp
index 96722229b1..cb66dc3ce6 100644
--- a/esphome/components/time/real_time_clock.cpp
+++ b/esphome/components/time/real_time_clock.cpp
@@ -84,12 +84,12 @@ template<typename T> bool increment_time_value(T &current, uint16_t begin, uint1
 
 static bool is_leap_year(uint32_t year) { return (year % 4) == 0 && ((year % 100) != 0 || (year % 400) == 0); }
 
-static bool days_in_month(uint8_t month, uint16_t year) {
+static uint8_t days_in_month(uint8_t month, uint16_t year) {
   static const uint8_t DAYS_IN_MONTH[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
-  uint8_t days_in_month = DAYS_IN_MONTH[month];
+  uint8_t days = DAYS_IN_MONTH[month];
   if (month == 2 && is_leap_year(year))
-    days_in_month = 29;
-  return days_in_month;
+    return 29;
+  return days;
 }
 
 void ESPTime::increment_second() {
@@ -127,13 +127,13 @@ void ESPTime::recalc_timestamp_utc(bool use_day_of_year) {
     return;
   }
 
-  for (uint16_t i = 1970; i < this->year; i++)
+  for (int i = 1970; i < this->year; i++)
     res += is_leap_year(i) ? 366 : 365;
 
   if (use_day_of_year) {
     res += this->day_of_year - 1;
   } else {
-    for (uint8_t i = 1; i < this->month; ++i)
+    for (int i = 1; i < this->month; i++)
       res += days_in_month(i, this->year);
 
     res += this->day_of_month - 1;
diff --git a/esphome/components/uart/uart.cpp b/esphome/components/uart/uart.cpp
index 5e0bc3277e..ea15af5053 100644
--- a/esphome/components/uart/uart.cpp
+++ b/esphome/components/uart/uart.cpp
@@ -291,12 +291,12 @@ void ICACHE_RAM_ATTR HOT ESP8266SoftwareSerial::write_byte(uint8_t data) {
   this->write_bit_(true, &wait, start);
   enable_interrupts();
 }
-void ESP8266SoftwareSerial::wait_(uint32_t *wait, const uint32_t &start) {
+void ICACHE_RAM_ATTR ESP8266SoftwareSerial::wait_(uint32_t *wait, const uint32_t &start) {
   while (ESP.getCycleCount() - start < *wait)
     ;
   *wait += this->bit_time_;
 }
-bool ESP8266SoftwareSerial::read_bit_(uint32_t *wait, const uint32_t &start) {
+bool ICACHE_RAM_ATTR ESP8266SoftwareSerial::read_bit_(uint32_t *wait, const uint32_t &start) {
   this->wait_(wait, start);
   return this->rx_pin_->digital_read();
 }
diff --git a/esphome/components/uart/uart.h b/esphome/components/uart/uart.h
index f642d4ee81..93caaf3006 100644
--- a/esphome/components/uart/uart.h
+++ b/esphome/components/uart/uart.h
@@ -24,9 +24,9 @@ class ESP8266SoftwareSerial {
  protected:
   static void gpio_intr(ESP8266SoftwareSerial *arg);
 
-  inline void wait_(uint32_t *wait, const uint32_t &start);
-  inline bool read_bit_(uint32_t *wait, const uint32_t &start);
-  inline void write_bit_(bool bit, uint32_t *wait, const uint32_t &start);
+  void wait_(uint32_t *wait, const uint32_t &start);
+  bool read_bit_(uint32_t *wait, const uint32_t &start);
+  void write_bit_(bool bit, uint32_t *wait, const uint32_t &start);
 
   uint32_t bit_time_{0};
   uint8_t *rx_buffer_{nullptr};