[anon_123g987]

Always: “Every minute”

Sometimes: “Every hour”

Once in a blue moon: “At 12:00 AM, on day 18 of the month, only in February”

On my birthday: “At 12:00 AM”

On Christ's birthday: “At 12:00 AM, on day 25 of the month, only in December”

[sdflhasjd]

"spaghetti": “At 12:00 AM, between day 8 and 14 of the month, only in January through April and June through December”

[anon_123g987]

That's a good one.

BTW, it's case sensitive:

"on independence day": “At 12:00 AM, only on Thursday, only in July” (0 0 * 7 4)

"On Independence Day": “At 12:00 AM, on day 4 of the month, only in July” (0 0 4 7 *)

[Izkata]

Hey, it understood Cinco de Mayo: 0 0 5 5 *