Skip to content
Zeitwide
Sign inGet API key

Is Tuesday 18 May 2100 a FedNow Service business day?

Yes: Tuesday 18 May 2100 is a FedNow Service business day; the next FedNow Service business day is Wednesday 19 May 2100 (Zeitwide release 2026.11.04.1).

28 days of FedNow Service around Tue 18 May 2100

FedNow Service, Tue 11 May 2100 to Mon 7 Jun 2100
CalendarTue 11 May 2100Wed 12 May 2100Thu 13 May 2100Fri 14 May 2100Sat 15 May 2100Sun 16 May 2100Mon 17 May 2100Tue 18 May 2100Wed 19 May 2100Thu 20 May 2100Fri 21 May 2100Sat 22 May 2100Sun 23 May 2100Mon 24 May 2100Tue 25 May 2100Wed 26 May 2100Thu 27 May 2100Fri 28 May 2100Sat 29 May 2100Sun 30 May 2100Mon 31 May 2100Tue 1 Jun 2100Wed 2 Jun 2100Thu 3 Jun 2100Fri 4 Jun 2100Sat 5 Jun 2100Sun 6 Jun 2100Mon 7 Jun 2100
FedNow ServiceFedNow Service open Tue 11 May 2100FedNow Service open Wed 12 May 2100FedNow Service open Thu 13 May 2100FedNow Service open Fri 14 May 2100FedNow Service open Sat 15 May 2100FedNow Service open Sun 16 May 2100FedNow Service open Mon 17 May 2100FedNow Service open Tue 18 May 2100FedNow Service open Wed 19 May 2100FedNow Service open Thu 20 May 2100FedNow Service open Fri 21 May 2100FedNow Service open Sat 22 May 2100FedNow Service open Sun 23 May 2100FedNow Service open Mon 24 May 2100FedNow Service open Tue 25 May 2100FedNow Service open Wed 26 May 2100FedNow Service open Thu 27 May 2100FedNow Service open Fri 28 May 2100FedNow Service open Sat 29 May 2100FedNow Service open Sun 30 May 2100FedNow Service open Mon 31 May 2100FedNow Service open Tue 1 Jun 2100FedNow Service open Wed 2 Jun 2100FedNow Service open Thu 3 Jun 2100FedNow Service open Fri 4 Jun 2100FedNow Service open Sat 5 Jun 2100FedNow Service open Sun 6 Jun 2100FedNow Service open Mon 7 Jun 2100
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Tue 18 May 2100

Tuesday 18 May 2100 on 7 other calendars
CalendarStatusWhy
Germany: nationwide public holidays (DE)No dataOutside this calendar's sources
T2 (TARGET RTGS) (EU-T2)No dataOutside this calendar's sources
CHAPS (GB-CHAPS)No dataOutside this calendar's sources
England and Wales bank holidays (GB-EAW)No dataOutside this calendar's sources
FedACH Services (US-FEDACH)No dataOutside this calendar's sources
US federal holidays (US-FEDERAL)No dataOutside this calendar's sources
Fedwire Funds Service (US-FEDWIRE)No dataOutside this calendar's sources

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 2026.11.04.1. Evidence and signed receipt for FedNow Service on Tue 18 May 2100

FedNow Service has no published revision yet.

Cite this answer
Zeitwide (2026). US-FEDNOW on 2100-05-18. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDNOW/2100-05-18

Questions people ask

What is the next FedNow Service business day after Tuesday 18 May 2100?

The next FedNow Service business day is Wednesday 19 May 2100.

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 2026.11.04.1.

The same answer from the API

curl https://api.zeitwide.com/v1/calendars/US-FEDNOW/days/2100-05-18

{
  "date": "2100-05-18",
  "is_business_day": true,
  "dataset_release": "2026.11.04.1"
}

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