how to get the local time using wifi and a free API

Author: ladyada

examples/esp32spi_localtime.py

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+import time
+import board
+import busio
+from digitalio import DigitalInOut
+import microcontroller
+from adafruit_esp32spi import adafruit_esp32spi
+from adafruit_esp32spi import adafruit_esp32spi_wifimanager
+import rtc
+
+# Get wifi details and more from a settings.py file
+try:
+    from settings import settings
+except ImportError:
+    print("WiFi settings are kept in settings.py, please add them there!")
+    raise
+
+print("ESP32 local time")
+
+TIME_API = "http://worldtimeapi.org/api/ip"
+
+esp32_cs = DigitalInOut(microcontroller.pin.PB14) # PB14
+esp32_ready = DigitalInOut(microcontroller.pin.PB16)
+esp32_gpio0 = DigitalInOut(microcontroller.pin.PB15)
+esp32_reset = DigitalInOut(microcontroller.pin.PB17)
+spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
+esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
+wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, settings, board.NEOPIXEL)
+
+the_rtc = rtc.RTC()
+
+response = None
+while True:
+    try:
+        print("Fetching json from", TIME_API)
+        response = wifi.get(TIME_API)
+        break
+    except (ValueError, RuntimeError) as e:
+        print("Failed to get data, retrying\n", e)
+        continue
+
+json = response.json()
+current_time = json['datetime']
+the_date, the_time = current_time.split('T')
+year, month, mday = [int(x) for x in the_date.split('-')]
+the_time = the_time.split('.')[0]
+hours, minutes, seconds = [int(x) for x in the_time.split(':')]
+
+# We can also fill in these extra nice things
+year_day = json['day_of_year']
+week_day = json['day_of_week']
+is_dst = json['dst']
+
+now = time.struct_time((year, month, mday, hours, minutes, seconds, week_day, year_day, is_dst))
+print(now)
+the_rtc.datetime = now
+
+while True:
+    print(time.localtime())
+    time.sleep(1)