Phoenix
United States
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MST · UTC-7 4 hours difference
Sao Paulo
Brazil
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GMT-3 · UTC-3 Convert Phoenix (MST) to Sao Paulo (GMT-3) Time — 4 hours apart
America/Phoenix · MST · UTC-7 | America/Sao_Paulo · GMT-3 · UTC-3 · 4 hours difference · 648 cities
24-Hour Overlap Timeline
✅ Overlap: 9:00 AM–2:00 PM in Phoenix · 1:00 PM–6:00 PM in Sao Paulo (5h window)
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UTC → | ||||||||||||||||||||||||
| 🇺🇸 Phoenix UTC-7 | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p |
| 🇧🇷 Sao Paulo UTC-3 | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p |
Both working Working Off hours Sleeping Now
Key Facts: Phoenix (MST) vs Sao Paulo (GMT-3)
Time Gap
4h
Sao Paulo ahead
DST Status
✅ Phoenix
No DST
✅ Sao Paulo: No DST
Cities in MST
48
Largest: Phoenix
4,065,338 pop.
Overlap Window
5h window
9:00 AM – 2:00 PM (MST)
1:00 PM – 6:00 PM (GMT-3)
Find Cities in Phoenix & Sao Paulo Timezones
The MST and GMT-3 timezones are separated by 4 hours. Phoenix is the largest city in the America/Phoenix zone and Sao Paulo is the largest in America/Sao_Paulo. Neither timezone observes daylight saving time, so the difference is constant year-round. For scheduling between these regions, the key fact is: there are 5 hours of mutual business-hours overlap each day.
Best Times to Schedule Calls: Phoenix (MST) ↔ Sao Paulo (GMT-3)
| Phoenix (MST) | Sao Paulo (GMT-3) | Quality |
|---|---|---|
| 2:00 AM | 6:00 AM | ❌ |
| 3:00 AM | 7:00 AM | ❌ |
| 4:00 AM | 8:00 AM | ❌ |
| 5:00 AM | 9:00 AM | ❌ |
| 6:00 AM | 10:00 AM | ❌ |
| 7:00 AM | 11:00 AM | ⚠️ |
| 8:00 AM | 12:00 PM | ⚠️ |
| 9:00 AM | 1:00 PM | ✅ |
| 10:00 AM | 2:00 PM | ✅ |
| 11:00 AM | 3:00 PM | ✅ |
| 12:00 PM | 4:00 PM | ✅ |
| 1:00 PM | 5:00 PM | ✅ |
| 2:00 PM | 6:00 PM | ⚠️ |
| 3:00 PM | 7:00 PM | ⚠️ |
| 4:00 PM | 8:00 PM | ❌ |
| 5:00 PM | 9:00 PM | ❌ |
| 6:00 PM | 10:00 PM | ❌ |
| 7:00 PM | 11:00 PM | ❌ |
| 8:00 PM | 12:00 AM +1 day | ❌ |
| 9:00 PM | 1:00 AM +1 day | ❌ |
Work hours defined as 09:00–18:00 local time. ✅ Both in work hours ⚠️ Borderline ❌ Outside work hours.
MST to GMT-3: Complete 24-Hour Time Conversion Table
| Phoenix (MST) | Sao Paulo (GMT-3) | IST (UTC+5:30) |
|---|---|---|
| 12:00 AM | 4:00 AM | 12:30 PM |
| 1:00 AM | 5:00 AM | 1:30 PM |
| 2:00 AM | 6:00 AM | 2:30 PM |
| 3:00 AM | 7:00 AM | 3:30 PM |
| 4:00 AM | 8:00 AM | 4:30 PM |
| 5:00 AM | 9:00 AM | 5:30 PM |
| 6:00 AM | 10:00 AM | 6:30 PM |
| 7:00 AM | 11:00 AM | 7:30 PM |
| 8:00 AM | 12:00 PM | 8:30 PM |
| 9:00 AM | 1:00 PM | 9:30 PM |
| 10:00 AM | 2:00 PM | 10:30 PM |
| 11:00 AM | 3:00 PM | 11:30 PM |
| 12:00 PM | 4:00 PM | 12:30 AM |
| 1:00 PM | 5:00 PM | 1:30 AM |
| 2:00 PM | 6:00 PM | 2:30 AM |
| 3:00 PM | 7:00 PM | 3:30 AM |
| 4:00 PM | 8:00 PM | 4:30 AM |
| 5:00 PM | 9:00 PM | 5:30 AM |
| 6:00 PM | 10:00 PM | 6:30 AM |
| 7:00 PM | 11:00 PM | 7:30 AM |
| ← Date changes in Sao Paulo → | ||
| 8:00 PM | 12:00 AM +1 | 8:30 AM |
| 9:00 PM | 1:00 AM +1 | 9:30 AM |
| 10:00 PM | 2:00 AM +1 | 10:30 AM |
| 11:00 PM | 3:00 AM +1 | 11:30 AM |
IST (India Standard Time, UTC+5:30) shown as reference for Indian users. +1/−1 indicates a different calendar day.
48 Cities in Phoenix (MST) & 600 Cities in Sao Paulo (GMT-3) — Page 1 of 3
Phoenix & 47 more — Phoenix (MST, UTC-7)
- Phoenix, US 4.1M
- Tucson, US 880K
- Hermosillo, MX 856K
- Culiacan, MX 808K
- Mesa, US 507K
- Mazatlan, MX 501K
- Tepic, MX 426K
- Ciudad Obregon, MX 329K
- Guasavito, MX 320K
- Los Mochis, MX 298K
- Chandler, US 278K
- Gilbert, US 271K
- Nogales, MX 265K
- Heroica Nogales, MX 261K
- Glendale, US 250K
La Paz, MXScottsdale, USCabo San Lucas, MXEl Tezal, MXPeoria, USTempe, USSan Luis Rio Colorado, MXGuaymas, MXSurprise, USYuma, USSan Jose del Cabo, MXNavojoa, MXHeroica Guaymas, MXSan Tan Valley, USGoodyear, USBuckeye, USPrescott Valley, USAgua Prieta, MXAvondale, USSan Francisco, MXGuasave, MXFlagstaff, USHuebampo, MXCasas Adobes, USMaricopa, USHeroica Caborca, MXQueen Creek, USGuamuchil, MXPuerto Penasco, MXLake Havasu City, USCasa Grande, USMarana, USCatalina Foothills, US
Sao Paulo & 599 more — Sao Paulo (GMT-3, UTC-3)
- Sao Paulo, BR 23.1M
- Buenos Aires, AR 16.7M
- Rio de Janeiro, BR 12.6M
- Belo Horizonte, BR 5.3M
- Fortaleza, BR 4.2M
- Salvador, BR 2.4M
- Cordoba, AR 2.1M
- Curitiba, BR 1.8M
- Montevideo, UY 1.7M
- Recife, BR 1.5M
- Porto Alegre, BR 1.3M
- Guarulhos, BR 1.3M
- Belem, BR 1.3M
- Rosario, AR 1.3M
- Campinas, BR 1.2M
Goiania, BRSao Luis, BRMaceio, BRSantiago del Estero, ARLa Plata, ARSao Goncalo, BRTeresina, BRJoao Pessoa, BRSao Bernardo do Campo, BRNatal, BRSanto Andre, BRSorocaba, BRMar del Plata, ARAracaju, BROsasco, BRSan Miguel de Tucuman, ARJaboatao dos Guararapes, BRJuiz de Fora, BRSao Jose dos Campos, BRContagem, BRSalta, ARMacapa, BRCampos, BRRibeirao Preto, BRUberlandia, BRNiteroi, BRFeira de Santana, BRAnanindeua, BRAsuncion, PYVila Velha, BRSan Juan, ARLanus, ARMogi das Cruzes, BRLondrina, BRJoinvile, BRPiracicaba, BRCampina Grande, BRSantos, BRMaua, BRMaringa, BRSanta Fe, ARJundiai, BRDiadema, BRItaquaquecetuba, BRBauru, BRBlumenau, BRCaxias do Sul, BRSao Jose do Rio Preto, BRCaucaia, BRCorrientes, AROlinda, BRPraia Grande, BRCascavel, BRCanoas, BRCarapicuiba, BRFlorianopolis, BRPaulista, BRVitoria da Conquista, BRSantarem, BRRibeirao das Neves, BRCariacica, BRPelotas, BRVitoria, BRSan Salvador de Jujuy, ARSerra, BRTaubate, BRBarueri, BRGuaruja, BRCiudad del Este, PYMontes Claros, BRBetim, BRSao Vicente, BRPalmas, BRBahia Blanca, ARResistencia, ARNeuquen, ARAnapolis, BRSan Lorenzo, PYFranca, BRJuazeiro do Norte, BRFoz do Iguacu, BRPetropolis, BRPosadas, ARPonta Grossa, BRTaboao da Serra, BRImperatriz, BRParana, ARSumare, BRMossoro, BRItajai, BRLuque, PYQuilmes, ARIndaiatuba, BRSao Carlos, BRCaruaru, BRParnamirim, BRUberaba, BRLimeira, BRGovernador Valadares, BRMacae, BRSao Jose de Ribamar, BRMerlo, ARSanta Maria, BRAraraquara, BRVolta Redonda, BRAmericana, BRSete Lagoas, BRParamaribo, SRMarilia, BRJacarei, BRGonzalez Catan, ARArapiraca, BRMaracanau, BRFormosa, ARGravatai, BRDivinopolis, BRSuzano, BRMage, BRIpatinga, BRRio Verde, BRPresidente Prudente, BRItaborai, BRCapiata, PYViamao, BRChapeco, BRBanfield, ARItapevi, BRSanta Luzia, BRPetrolina, BRJose C. Paz, ARHortolandia, BRSan Rafael, ARCriciuma, BRSobral, BRSanto Agostinho, BRSao Jose dos Pinhais, BRRio Claro, BRComodoro Rivadavia, ARAracatuba, BRRio Cuarto, ARConcordia, ARSan Lorenzo, ARSao Leopoldo, BRNossa Senhora do Socorro, BRRio Grande, BRGodoy Cruz, ARIsidro Casanova, ARLas Heras, ARItabuna, BRFerraz de Vasconcelos, BRFernando de la Mora, PYSanta Barbara d'Oeste, BRColombo, BRJaragua do Sul, BRGuarapuava, BRLa Rioja, ARBerazategui, ARHurlingham, ARCachoeiro de Itapemirim, BRJuazeiro, BRLuziania, BRTimon, BRSao Jose, BRNova Friburgo, BRAraguaina, BRSan Luis, ARBarra Mansa, BRPasso Fundo, BRFrancisco Morato, BRMaraba, BRItapecerica da Serra, BRItu, BRLinhares, BRSao Caetano do Sul, BRLajes, BRPocos de Caldas, BRSan Fernando, ARParnaiba, BRCamacari, BRBraganca Paulista, BRPindamonhangaba, BRJose Maria Ezeiza, ARSan Nicolas de los Arroyos, ARPatos de Minas, BRCatamarca, AR