{"id":"vidhyamitra:city-day:phoenix:1875-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1875-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1875-01-31","date_display":"January 31, 1875 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":1875,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2405919.770833,"kali_year":4976,"ahargana":1817454.2708,"sun":{"sidereal_longitude":289.0102,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":215.4374,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":286.4272,"elapsed_within_tithi_degrees":10.4272},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":215.4374,"elapsed_within_degrees":2.1041},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":144.4476},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1875,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2405919.770833,"ahargana":1817454.2708,"kali_year":4976,"ayanamsa_lahiri":22.108,"grahas":{"sun":{"sidereal_longitude":288.69763,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":215.03352999999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":-2.4432},"mars":{"sidereal_longitude":212.80702999999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":301.38093000000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":190.51432999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":245.06303000000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":295.00622999999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":2.5265,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":182.5265,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"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":1875,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2405919.770833,"kali_year":4976,"ahargana":1817454.2708,"sun":{"sidereal_longitude":289.0102,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":215.4374,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":286.4272,"elapsed_within_tithi_degrees":10.4272},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":215.4374,"elapsed_within_degrees":2.1041},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":144.4476},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.443,"elongation":73.573},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.443,"opposition_distance":106.427}},"eclipse_window_40days":[]},"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"sunriseLocal":"07:26","sunsetLocal":"17:58","solarNoonLocal":"12:42","dayLengthHours":10.53745875581263,"dayLengthDisplay":"10 Hours 32 Mins 15 Secs","nightLengthDisplay":"13 Hours 27 Mins 45 Secs","moonriseLocal":"02:38","moonsetLocal":"12:56","rahuKala":{"name":"Rāhu Kāla","start":"16:39","end":"17:58","startHours":16.64864017579377,"endHours":17.965822520270347,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:42","end":"14:01","startHours":12.697093142364032,"endHours":14.01427548684061,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:20","end":"16:39","startHours":15.331457831317188,"endHours":16.64864017579377,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:53","end":"10:14","startHours":9.887104140813996,"endHours":10.23835276600775,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:52","end":"08:09","startHours":7.86742454594991,"endHours":8.148423446104914,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:03","startHours":12.345844517170278,"endHours":13.048341767557787,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:01","end":"06:44","startHours":6.023369263682699,"endHours":6.7258665140702085,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:33","end":"07:26","startHours":6.550242201473331,"endHours":7.428363764457717,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:09","startHours":14.453336268332803,"endHours":15.155833518720312,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:46","end":"18:10","startHours":17.765822520270348,"endHours":18.165822520270346,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:58","end":"18:24","startHours":17.965822520270347,"endHours":18.40488330176254,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:43","end":"19:28","startHours":17.715822520270347,"endHours":19.465822520270347,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:03","startHours":24.345844517170278,"endHours":25.048341767557787,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:26","end":"08:45","startHours":7.428363764457717,"endHours":8.745546108934295,"quality":"inauspicious"},{"name":"Chala","start":"08:45","end":"10:04","startHours":8.745546108934295,"endHours":10.062728453410873,"quality":"neutral"},{"name":"Labha","start":"10:04","end":"11:23","startHours":10.062728453410873,"endHours":11.379910797887453,"quality":"auspicious"},{"name":"Amṛta","start":"11:23","end":"12:42","startHours":11.379910797887453,"endHours":12.697093142364032,"quality":"auspicious"},{"name":"Kāla","start":"12:42","end":"14:01","startHours":12.697093142364032,"endHours":14.01427548684061,"quality":"inauspicious"},{"name":"Śubha","start":"14:01","end":"15:20","startHours":14.01427548684061,"endHours":15.331457831317188,"quality":"auspicious"},{"name":"Roga","start":"15:20","end":"16:39","startHours":15.331457831317188,"endHours":16.64864017579377,"quality":"inauspicious"},{"name":"Udveg","start":"16:39","end":"17:58","startHours":16.64864017579377,"endHours":17.965822520270347,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:58","end":"19:39","startHours":17.965822520270347,"endHours":19.64864017579377,"quality":"auspicious"},{"name":"Roga","start":"19:39","end":"21:20","startHours":19.64864017579377,"endHours":21.331457831317188,"quality":"inauspicious"},{"name":"Udveg","start":"21:20","end":"23:01","startHours":21.331457831317188,"endHours":23.01427548684061,"quality":"inauspicious"},{"name":"Chala","start":"23:01","end":"00:42","startHours":23.01427548684061,"endHours":24.697093142364032,"quality":"neutral"},{"name":"Labha","start":"00:42","end":"02:23","startHours":24.697093142364032,"endHours":26.379910797887455,"quality":"auspicious"},{"name":"Amṛta","start":"02:23","end":"04:04","startHours":26.379910797887455,"endHours":28.062728453410877,"quality":"auspicious"},{"name":"Kāla","start":"04:04","end":"05:45","startHours":28.062728453410877,"endHours":29.745546108934295,"quality":"inauspicious"},{"name":"Śubha","start":"05:45","end":"07:26","startHours":29.745546108934295,"endHours":31.428363764457718,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:26","end":"08:26","startHours":7.428363764457717,"endHours":8.428363764457718,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:26","end":"09:26","startHours":8.428363764457718,"endHours":9.428363764457718,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:26","end":"10:26","startHours":9.428363764457718,"endHours":10.428363764457718,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:26","end":"11:26","startHours":10.428363764457718,"endHours":11.428363764457718,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:26","end":"12:26","startHours":11.428363764457718,"endHours":12.428363764457718,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:26","end":"13:26","startHours":12.428363764457718,"endHours":13.428363764457718,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:26","end":"14:26","startHours":13.428363764457718,"endHours":14.428363764457718,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:26","end":"15:26","startHours":14.428363764457718,"endHours":15.428363764457718,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:26","end":"16:26","startHours":15.428363764457718,"endHours":16.428363764457718,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:26","end":"17:26","startHours":16.428363764457718,"endHours":17.428363764457718,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:26","end":"18:26","startHours":17.428363764457718,"endHours":18.428363764457718,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:26","end":"19:26","startHours":18.428363764457718,"endHours":19.428363764457718,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:26","end":"20:26","startHours":19.428363764457718,"endHours":20.428363764457718,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:26","end":"21:26","startHours":20.428363764457718,"endHours":21.428363764457718,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:26","end":"22:26","startHours":21.428363764457718,"endHours":22.428363764457718,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:26","end":"23:26","startHours":22.428363764457718,"endHours":23.428363764457718,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:26","end":"00:26","startHours":23.428363764457718,"endHours":24.428363764457718,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:26","end":"01:26","startHours":24.428363764457718,"endHours":25.428363764457718,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:26","end":"02:26","startHours":25.428363764457718,"endHours":26.428363764457718,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:26","end":"03:26","startHours":26.428363764457718,"endHours":27.428363764457718,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:26","end":"04:26","startHours":27.428363764457718,"endHours":28.428363764457718,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:26","end":"05:26","startHours":28.428363764457718,"endHours":29.428363764457718,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:26","end":"06:26","startHours":29.428363764457718,"endHours":30.428363764457718,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:26","end":"07:26","startHours":30.428363764457718,"endHours":31.428363764457718,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.521038051841114,"eotMinutes":-13.52958854184206,"ayanamsa":22.108}},"calendars":{"vikram_samvat":1932,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1797,"saka_samvatsara":"Yuva","bengali_samvat":1282,"malayalam_era":1051,"nanakshahi_year":406,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","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 Kṛṣṇa Navamī · Vikram 1932 Sarvadhāri · Śaka 1797 Yuva"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"phoenix"},"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, 1875 CE · Phoenix, USA · Vidhyamitra","description":"January 31, 1875 CE for Phoenix, USA: Kṛṣṇa Navamī, sūryodaya 07:26, sūryāsta 17:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1875-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1875-01-31","sa":"https://sa.vidhyamitra.com/city/phoenix/1875-01-31","hi":"https://hi.vidhyamitra.com/city/phoenix/1875-01-31","x-default":"https://vidhyamitra.com/city/phoenix/1875-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T09:39:32.714Z","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":"2026-06-01T09:39:32.714Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T09:39:32.714Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}