try: import usocket as socket except: import socket try: import ustruct as struct except: import struct # (date(2000, 1, 1) - date(1900, 1, 1)).days * 24*60*60 NTP_DELTA = 3155673600 host = "pool.ntp.org" def time(): NTP_QUERY = bytearray(48) NTP_QUERY[0] = 0x1b addr = socket.getaddrinfo(host, 123)[0][-1] s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) try: s.settimeout(1) res = s.sendto(NTP_QUERY, addr) msg = s.recv(48) finally: s.close() val = struct.unpack("!I", msg[40:44])[0] return val - NTP_DELTA # There's currently no timezone support in MicroPython, so # utime.localtime() will return UTC time (as if it was .gmtime()) def settime(): t = time() import machine import utime tm = utime.localtime(t) machine.RTC().datetime((tm[0], tm[1], tm[2], tm[6] + 1, tm[3], tm[4], tm[5], 0))