{"id":"vidhyamitra:city-day:noida:2156-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/2156-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2156-01-31","date_display":"January 31, 2156 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2156,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508552.770833,"kali_year":5257,"ahargana":1920087.2708,"sun":{"sidereal_longitude":284.1943,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":29.8882,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":105.6939,"elapsed_within_tithi_degrees":9.6939},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":29.8882,"elapsed_within_degrees":3.2215},"yoga":{"number":24,"name":"Śukla","sum_longitude":314.0825},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2156,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508552.770833,"ahargana":1920087.2708,"kali_year":5257,"ayanamsa_lahiri":26.0333,"grahas":{"sun":{"sidereal_longitude":284.568894,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":33.13199400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":4.0893},"mars":{"sidereal_longitude":307.9725940000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":268.36079399999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":63.260793999999976,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":328.545394,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":142.322794,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":324.5363,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":144.5363,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2156,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508552.770833,"kali_year":5257,"ahargana":1920087.2708,"sun":{"sidereal_longitude":284.1943,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":29.8882,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":105.6939,"elapsed_within_tithi_degrees":9.6939},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":29.8882,"elapsed_within_degrees":3.2215},"yoga":{"number":24,"name":"Śukla","sum_longitude":314.0825},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.089,"elongation":105.694},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.089,"opposition_distance":74.306}},"eclipse_window_40days":[]},"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"07:10","sunsetLocal":"17:58","solarNoonLocal":"12:34","dayLengthHours":10.811984267861138,"dayLengthDisplay":"10 Hours 48 Mins 43 Secs","nightLengthDisplay":"13 Hours 11 Mins 17 Secs","moonriseLocal":"13:00","moonsetLocal":"02:37","rahuKala":{"name":"Rāhu Kāla","start":"09:52","end":"11:13","startHours":9.863097075398748,"endHours":11.21459510888139,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:16","startHours":13.917591175846674,"endHours":15.26908920932932,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:10","end":"08:31","startHours":7.160101008433464,"endHours":8.511599041916107,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:41","end":"10:03","startHours":9.682897337601062,"endHours":10.043296813196434,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.610600352927678,"endHours":7.898919933403975,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"12:56","startHours":12.205693666768662,"endHours":12.926492617959406,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:26","startHours":5.718503106051979,"endHours":6.439302057242721,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:10","startHours":6.259102319445035,"endHours":7.160101008433464,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:05","startHours":14.368090520340889,"endHours":15.088889471531632,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:46","end":"18:10","startHours":17.772085276294604,"endHours":18.172085276294602,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:58","end":"18:25","startHours":17.972085276294603,"endHours":18.422584620788818,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:43","end":"19:28","startHours":17.722085276294603,"endHours":19.472085276294603,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"00:56","startHours":24.20569366676866,"endHours":24.926492617959404,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:10","end":"08:31","startHours":7.160101008433464,"endHours":8.511599041916107,"quality":"inauspicious"},{"name":"Śubha","start":"08:31","end":"09:52","startHours":8.511599041916107,"endHours":9.863097075398748,"quality":"auspicious"},{"name":"Roga","start":"09:52","end":"11:13","startHours":9.863097075398748,"endHours":11.21459510888139,"quality":"inauspicious"},{"name":"Udveg","start":"11:13","end":"12:34","startHours":11.21459510888139,"endHours":12.566093142364032,"quality":"inauspicious"},{"name":"Chala","start":"12:34","end":"13:55","startHours":12.566093142364032,"endHours":13.917591175846674,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:16","startHours":13.917591175846674,"endHours":15.26908920932932,"quality":"auspicious"},{"name":"Amṛta","start":"15:16","end":"16:37","startHours":15.26908920932932,"endHours":16.62058724281196,"quality":"auspicious"},{"name":"Kāla","start":"16:37","end":"17:58","startHours":16.62058724281196,"endHours":17.972085276294603,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:58","end":"19:37","startHours":17.972085276294603,"endHours":19.62058724281196,"quality":"auspicious"},{"name":"Amṛta","start":"19:37","end":"21:16","startHours":19.62058724281196,"endHours":21.26908920932932,"quality":"auspicious"},{"name":"Kāla","start":"21:16","end":"22:55","startHours":21.26908920932932,"endHours":22.917591175846674,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:34","startHours":22.917591175846674,"endHours":24.566093142364032,"quality":"auspicious"},{"name":"Roga","start":"00:34","end":"02:13","startHours":24.566093142364032,"endHours":26.21459510888139,"quality":"inauspicious"},{"name":"Udveg","start":"02:13","end":"03:52","startHours":26.21459510888139,"endHours":27.86309707539875,"quality":"inauspicious"},{"name":"Chala","start":"03:52","end":"05:31","startHours":27.86309707539875,"endHours":29.511599041916107,"quality":"neutral"},{"name":"Labha","start":"05:31","end":"07:10","startHours":29.511599041916107,"endHours":31.160101008433465,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.160101008433464,"endHours":8.160101008433465,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.160101008433465,"endHours":9.160101008433465,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.160101008433465,"endHours":10.160101008433465,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.160101008433465,"endHours":11.160101008433465,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.160101008433465,"endHours":12.160101008433465,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.160101008433465,"endHours":13.160101008433465,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.160101008433465,"endHours":14.160101008433465,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.160101008433465,"endHours":15.160101008433465,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.160101008433465,"endHours":16.160101008433465,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.160101008433465,"endHours":17.160101008433465,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.160101008433465,"endHours":18.160101008433465,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.160101008433465,"endHours":19.160101008433465,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.160101008433465,"endHours":20.160101008433465,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.160101008433465,"endHours":21.160101008433465,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.160101008433465,"endHours":22.160101008433465,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.160101008433465,"endHours":23.160101008433465,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.160101008433465,"endHours":24.160101008433465,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.160101008433465,"endHours":25.160101008433465,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.160101008433465,"endHours":26.160101008433465,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.160101008433465,"endHours":27.160101008433465,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.160101008433465,"endHours":28.160101008433465,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.160101008433465,"endHours":29.160101008433465,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.160101008433465,"endHours":30.160101008433465,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.160101008433465,"endHours":31.160101008433465,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.576381132016603,"eotMinutes":-13.52958854184206,"ayanamsa":26.0333}},"calendars":{"vikram_samvat":2213,"vikram_samvatsara":"Śukla","saka_samvat":2078,"saka_samvatsara":"Nala","bengali_samvat":1563,"malayalam_era":1332,"nanakshahi_year":687,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Navamī · Vikram 2213 Śukla · Śaka 2078 Nala"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"noida"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 31, 2156 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"January 31, 2156 CE for Noida, Uttar Pradesh: Śukla Navamī, sūryodaya 07:10, sūryāsta 17:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/2156-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/2156-01-31","sa":"https://sa.vidhyamitra.com/city/noida/2156-01-31","hi":"https://hi.vidhyamitra.com/city/noida/2156-01-31","x-default":"https://vidhyamitra.com/city/noida/2156-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T11:22:07.140Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-02T11:22:07.140Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T11:22:07.140Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}