Is Sunday 10 May 2099 a FedNow Service business day?
Yes: Sunday 10 May 2099 is a FedNow Service business day; the next FedNow Service business day is Monday 11 May 2099 (Zeitwide release 2026.11.04.1).
28 days of FedNow Service around Sun 10 May 2099
- Open
- Closed
- Weekend
- Holiday on a weekend
Other calendars on Sun 10 May 2099
| Calendar | Status | Why |
|---|---|---|
| Germany: nationwide public holidays (DE) | No data | Outside this calendar's sources |
| T2 (TARGET RTGS) (EU-T2) | No data | Outside this calendar's sources |
| CHAPS (GB-CHAPS) | No data | Outside this calendar's sources |
| England and Wales bank holidays (GB-EAW) | No data | Outside this calendar's sources |
| FedACH Services (US-FEDACH) | No data | Outside this calendar's sources |
| US federal holidays (US-FEDERAL) | No data | Outside this calendar's sources |
| Fedwire Funds Service (US-FEDWIRE) | No data | Outside 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 Sun 10 May 2099
FedNow Service has no published revision yet.
Zeitwide (2026). US-FEDNOW on 2099-05-10. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDNOW/2099-05-10
Questions people ask
What is the next FedNow Service business day after Sunday 10 May 2099?
The next FedNow Service business day is Monday 11 May 2099.
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/2099-05-10
{
"date": "2099-05-10",
"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