[bagster]

MAYday = Teresa May? Why three times? May 3rd?

[xone]

May 3rd?

Three days, Monday.

[pbear8]

MAYday = Teresa May? Why three times?

Though it probably has another meaning it is protocol to repeat the nautical distress calls three times, Pan Pan, Pan Pan, Pan Pan (urgent but lives not in immediate danger) Securite', Securite', Securite' (important information, listen up) or the most urgent, when lives are in danger, Mayday, Mayday, Mayday.