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Is Sunday 16 May 2027 a FedNow Service business day?

Yes: Sunday 16 May 2027 is a FedNow Service business day; the next FedNow Service business day is Monday 17 May 2027 (Zeitwide release 2026.11.03.1).

28 days of FedNow Service around Sun 16 May 2027

FedNow Service, Sun 9 May 2027 to Sat 5 Jun 2027
CalendarSun 9 May 2027Mon 10 May 2027Tue 11 May 2027Wed 12 May 2027Thu 13 May 2027Fri 14 May 2027Sat 15 May 2027Sun 16 May 2027Mon 17 May 2027Tue 18 May 2027Wed 19 May 2027Thu 20 May 2027Fri 21 May 2027Sat 22 May 2027Sun 23 May 2027Mon 24 May 2027Tue 25 May 2027Wed 26 May 2027Thu 27 May 2027Fri 28 May 2027Sat 29 May 2027Sun 30 May 2027Mon 31 May 2027Tue 1 Jun 2027Wed 2 Jun 2027Thu 3 Jun 2027Fri 4 Jun 2027Sat 5 Jun 2027
FedNow ServiceFedNow Service open Sun 9 May 2027FedNow Service open Mon 10 May 2027FedNow Service open Tue 11 May 2027FedNow Service open Wed 12 May 2027FedNow Service open Thu 13 May 2027FedNow Service open Fri 14 May 2027FedNow Service open Sat 15 May 2027FedNow Service open Sun 16 May 2027FedNow Service open Mon 17 May 2027FedNow Service open Tue 18 May 2027FedNow Service open Wed 19 May 2027FedNow Service open Thu 20 May 2027FedNow Service open Fri 21 May 2027FedNow Service open Sat 22 May 2027FedNow Service open Sun 23 May 2027FedNow Service open Mon 24 May 2027FedNow Service open Tue 25 May 2027FedNow Service open Wed 26 May 2027FedNow Service open Thu 27 May 2027FedNow Service open Fri 28 May 2027FedNow Service open Sat 29 May 2027FedNow Service open Sun 30 May 2027FedNow Service open Mon 31 May 2027FedNow Service open Tue 1 Jun 2027FedNow Service open Wed 2 Jun 2027FedNow Service open Thu 3 Jun 2027FedNow Service open Fri 4 Jun 2027FedNow Service open Sat 5 Jun 2027
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Sun 16 May 2027

Sunday 16 May 2027 on 7 other calendars
CalendarStatusWhy
Germany: nationwide public holidays (DE)Germany: nationwide public holidays closed for the weekend Sun 16 May 2027Weekend
T2 (TARGET RTGS) (EU-T2)T2 (TARGET RTGS) closed for the weekend Sun 16 May 2027Weekend
CHAPS (GB-CHAPS)CHAPS closed for the weekend Sun 16 May 2027Weekend
England and Wales bank holidays (GB-EAW)England and Wales bank holidays closed for the weekend Sun 16 May 2027Weekend
FedACH Services (US-FEDACH)FedACH Services closed for the weekend Sun 16 May 2027Weekend
US federal holidays (US-FEDERAL)US federal holidays closed for the weekend Sun 16 May 2027Weekend
Fedwire Funds Service (US-FEDWIRE)Fedwire Funds Service closed for the weekend Sun 16 May 2027Weekend

Sources

No entry decides this date, so FedNow Service's weekend rule does. FedNow Service has no weekend: only published closures stop it.

Zeitwide release 2026.11.03.1. Evidence and signed receipt for FedNow Service on Sun 16 May 2027

Cite this answer
Zeitwide (2026). US-FEDNOW on 2027-05-16. Release 2026.11.03.1. https://zeitwide.com/calendars/US-FEDNOW/2027-05-16

Questions people ask

What is the next FedNow Service business day after Sunday 16 May 2027?

The next FedNow Service business day is Monday 17 May 2027.

What are FedNow Service's operating hours?

FedNow Service is open around the clock on every day of the year.

Where does this answer come from?

The calendar's weekend rule, in Zeitwide release 2026.11.03.1.

The same answer from the API

curl https://api.zeitwide.com/v1/calendars/US-FEDNOW/days/2027-05-16

{
  "date": "2027-05-16",
  "is_business_day": true,
  "dataset_release": "2026.11.03.1"
}

Agents get it from the is_business_day MCP tool. The developer quickstart covers keys, MCP and webhooks