In the UK, it is currently

Sunday the 26th of May, 2019 at 6:48pm UK time

That's:
May 26, 2019, 5:48 pm in Abidjan
May 27, 2019, 3:18 am in Adelaide
May 26, 2019, 7:48 pm in Amsterdam
May 27, 2019, 5:48 am in Auckland
May 26, 2019, 7:48 pm in Berlin
May 26, 2019, 2:48 pm in Bermuda
May 26, 2019, 12:48 pm in Bogota
May 26, 2019, 7:48 pm in Bratislava
May 26, 2019, 2:48 pm in Brasilia
May 26, 2019, 2:48 pm in Buenos Aires
May 26, 2019, 1:48 pm in Caracas
May 26, 2019, 12:48 pm in Chicago
May 26, 2019, 7:48 pm in Copenhagen
May 26, 2019, 11:48 am in Costa Rica
May 26, 2019, 9:48 pm in Dubai
May 26, 2019, 6:48 pm in Dublin
May 26, 2019, 11:48 am in Guatemala
May 26, 2019, 8:48 pm in Helsinki
May 26, 2019, 10:18 pm in Kabul
May 26, 2019, 8:48 pm in Kampala
May 26, 2019, 6:48 pm in Lisbon
May 26, 2019, 7:48 pm in Longyearbyen
May 26, 2019, 10:48 am in Los Angeles
May 26, 2019, 7:48 pm in Madrid
May 26, 2019, 1:48 pm in Manaus
May 27, 2019, 1:48 am in Manila
May 26, 2019, 8:48 pm in Mayotte
May 27, 2019, 3:48 am in Melbourne
May 26, 2019, 12:48 pm in Mexico City
May 26, 2019, 1:48 pm in Montreal
May 26, 2019, 8:48 pm in Moscow
May 26, 2019, 8:48 pm in Nairobi
May 26, 2019, 1:48 pm in New York
May 26, 2019, 7:48 pm in Paris
May 27, 2019, 1:48 am in Perth
May 26, 2019, 7:48 pm in Podgorica
May 26, 2019, 8:48 pm in Qatar
May 27, 2019, 3:48 am in Queensland
May 26, 2019, 5:48 pm in Reykjavik
May 26, 2019, 8:48 pm in Riga
May 26, 2019, 7:48 pm in Rome
May 27, 2019, 5:48 am in the South Pole
May 26, 2019, 7:48 pm in Stockholm
May 26, 2019, 1:48 pm in Toronto
May 26, 2019, 10:48 am in Vancouver
May 27, 2019, 3:48 am in Victoria
May 26, 2019, 7:48 pm in Vienna
May 26, 2019, 7:48 pm in Warsaw
May 26, 2019, 7:48 pm in Zurich

These time zones are provided for your convenience, but are not guaranteed. You may want to double check the time wherever you happen to be