Most Vedic apps show the same Rahu Kaal for all of India, calculated from a generic IST formula. But Rahu Kaal is 1/8th of the actual daytime from today's sunrise at your location. Central Standard Time (CST, UTC-6) in winter, Central Daylight Time (CDT, UTC-5) in summer CosmosPandit uses precision astronomy (Jean Meeus, Astronomical Algorithms) to calculate the exact sunrise at Houston's coordinates (29.760400°N, -95.369800°E), giving you the correct Rahu Kaal every day.
Rahu Kaal is the roughly 90-minute window each day ruled by the shadow planet Rahu, traditionally avoided for starting anything new, travel, deals, purchases, or ceremonies. It is the eighth part of the daytime (sunrise to sunset), and which part it falls in is fixed by the weekday, so the clock time shifts daily and by city.
Houston is home to over 250,000 Indians, the largest Indian-American community in Texas and one of the fastest-growing in the United States. The Energy Corridor (where major oil companies have large Indian professional workforces), Sugar Land, Katy, and Missouri City are the primary residential hubs. The Meenakshi Temple in Pearland and the Shri Swaminarayan Mandir in Stafford are major spiritual centres. Houston's Indian community is particularly notable for its concentration in the oil & gas, medical, and technology sectors, reflecting the city's economic strengths.
Houston uses Central Time, CST (UTC-6) in winter and CDT (UTC-5) in summer, which is 11.5 hours behind IST in winter and 10.5 hours behind in summer. This is the second-largest IST error in our network (after Pacific time cities). Houston's sunrise ranges from 6:16 AM in June to 7:26 AM in December, a 70-minute variation. CosmosPandit calculates from Houston's exact coordinates (29.7604°N, 95.3698°W).
The Houston Indian community has strong Telugu representation (Andhra and Telangana professionals in energy and medicine), alongside large Hindi, Gujarati, Tamil, and Punjabi communities. Texas' growing tech scene is also attracting Malayalam and Bengali professionals. All 8 Indian languages are supported in CosmosPandit with Houston-precise timings.
Houston's Central Time (UTC-6/-5) creates an IST offset of 11.5 to 10.5 hours. Combined with a 70-minute seasonal sunrise variation, IST-based apps give Houston residents Rahu Kaal that is not just offset but effectively from a different part of the day. CosmosPandit recalculates fresh from Houston's actual sunrise every morning.
During Rahu Kaal in Houston, it is best to avoid launching new business ventures, signing contracts, or starting important negotiations. Scheduling weddings, engagements, or other auspicious ceremonies within this period is strongly discouraged by Vedic tradition. Houston residents should also hold off on purchasing property, vehicles, or taking out loans until the inauspicious window has passed. Important travel departures and major financial commitments made during Rahu Kaal are believed to invite obstacles and unfavorable outcomes.
Houstonians can comfortably continue ongoing work projects, daily routines, and professional tasks already in progress during Rahu Kaal without concern. This period is considered favorable for prayer, meditation, and chanting mantras dedicated to Rahu, such as the Rahu Beej mantra. Quiet planning, research, and brainstorming for future endeavors are perfectly acceptable activities during this time. Performing Rahu remedies like donating to charity, wearing blue sapphire or hessonite garnet, or visiting a temple are especially beneficial during this window.
India uses a single timezone (IST, UTC+5:30) across 30° of longitude. But sunrise follows the sun, not the clock, every 1° of longitude, 4 minutes difference. Kolkata’s sunrise is 80 minutes earlier than Mumbai’s on the same IST day, so Rahu Kaal falls at genuinely different times in each city.
This Rahu Kaal page is just the start. The CosmosPandit app gives every Indian the full Vedic astrology toolkit, in their own language, with timings precise for their city:
Yes. Texas follows Central Time, CST (UTC-6) in winter and CDT (UTC-5) in summer. The switch is on the second Sunday of March and the first Sunday of November. CosmosPandit uses the America/Chicago timezone, which handles the Houston DST change automatically.
Yes, by about 8–10 minutes. Houston (29.76°N, 95.37°W) and Dallas (32.78°N, 96.80°W) are in the same Central timezone but at different coordinates. Dallas is further north (higher latitude = slightly earlier sunrise in summer) and slightly west. Both have dedicated pages on CosmosPandit. See the dedicated Dallas Rahu Kaal page.
Yes. Telugu (తెలుగు) is fully supported in CosmosPandit, particularly relevant for Houston's large Andhra and Telangana community in the oil & gas and medical sectors. The app shows the full Panchang in Telugu script, with push notifications at 7 AM Houston local time.
Astronomically precise Rahu Kaal timings for 25 major Indian cities.