To calculate how many days until October from today, May 19, 2025:

• Today is May 19, 2025.
• October 1, 2025, is the target date.

Step-by-step calculation:

• Days remaining in May (from May 20 to May 31): 12 days

• Full months June, July, August, September:
  June (30 days) + July (31 days) + August (31 days) + September (30 days) = 122 days

• Total days until October 1: 12 + 122 = 134 days

So, there are 134 days until October 1, 2025, from today, May 19, 2025.