{"id":"vidhyamitra:city-day:phoenix:2170-02-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2170-02-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-02-06","date_display":"February 6, 2170 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":2170,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513672.770833,"kali_year":5271,"ahargana":1925207.2708,"sun":{"sidereal_longitude":290.7122,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":170.6691,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":239.957,"elapsed_within_tithi_degrees":11.957},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":170.6691,"elapsed_within_degrees":10.6691},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":101.3813},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2170,"month":2,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513672.770833,"ahargana":1925207.2708,"kali_year":5271,"ayanamsa_lahiri":26.2292,"grahas":{"sun":{"sidereal_longitude":291.074573,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":174.71517300000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":3.9938},"mars":{"sidereal_longitude":149.70707300000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":289.40717300000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":138.72837300000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":306.745773,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":297.90907300000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":53.254,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":233.254,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"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":2170,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513672.770833,"kali_year":5271,"ahargana":1925207.2708,"sun":{"sidereal_longitude":290.7122,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":170.6691,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":239.957,"elapsed_within_tithi_degrees":11.957},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":170.6691,"elapsed_within_degrees":10.6691},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":101.3813},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.994,"elongation":120.043},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.994,"opposition_distance":59.957}},"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":"07:21","sunsetLocal":"18:04","solarNoonLocal":"12:43","dayLengthHours":10.718764793837153,"dayLengthDisplay":"10 Hours 43 Mins 08 Secs","nightLengthDisplay":"13 Hours 16 Mins 52 Secs","moonriseLocal":"23:16","moonsetLocal":"10:38","rahuKala":{"name":"Rāhu Kāla","start":"15:23","end":"16:44","startHours":15.389546750417239,"endHours":16.729392349646883,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:02","end":"11:22","startHours":10.030164353498662,"endHours":11.370009952728307,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:43","end":"14:03","startHours":12.70985555195795,"endHours":14.049701151187595,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:13","startHours":9.851518273601377,"endHours":10.208810433395948,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:48","end":"08:05","startHours":7.797088354782589,"endHours":8.082922082618246,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:04","startHours":12.352563392163379,"endHours":13.067147711752522,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:55","end":"06:38","startHours":5.921304515861087,"endHours":6.635888835450231,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:27","end":"07:21","startHours":6.457242755552945,"endHours":7.350473155039374,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:13","startHours":14.496316350930808,"endHours":15.210900670519951,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.869237948876528,"endHours":18.269237948876526,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:31","startHours":18.069237948876527,"endHours":18.51585314861974,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.819237948876527,"endHours":19.569237948876527,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:04","startHours":24.35256339216338,"endHours":25.067147711752522,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:21","end":"08:41","startHours":7.350473155039374,"endHours":8.690318754269018,"quality":"inauspicious"},{"name":"Udveg","start":"08:41","end":"10:02","startHours":8.690318754269018,"endHours":10.030164353498662,"quality":"inauspicious"},{"name":"Chala","start":"10:02","end":"11:22","startHours":10.030164353498662,"endHours":11.370009952728307,"quality":"neutral"},{"name":"Labha","start":"11:22","end":"12:43","startHours":11.370009952728307,"endHours":12.70985555195795,"quality":"auspicious"},{"name":"Amṛta","start":"12:43","end":"14:03","startHours":12.70985555195795,"endHours":14.049701151187595,"quality":"auspicious"},{"name":"Kāla","start":"14:03","end":"15:23","startHours":14.049701151187595,"endHours":15.389546750417239,"quality":"inauspicious"},{"name":"Śubha","start":"15:23","end":"16:44","startHours":15.389546750417239,"endHours":16.729392349646883,"quality":"auspicious"},{"name":"Roga","start":"16:44","end":"18:04","startHours":16.729392349646883,"endHours":18.069237948876527,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:04","end":"19:44","startHours":18.069237948876527,"endHours":19.729392349646883,"quality":"inauspicious"},{"name":"Śubha","start":"19:44","end":"21:23","startHours":19.729392349646883,"endHours":21.38954675041724,"quality":"auspicious"},{"name":"Roga","start":"21:23","end":"23:03","startHours":21.38954675041724,"endHours":23.049701151187595,"quality":"inauspicious"},{"name":"Udveg","start":"23:03","end":"00:43","startHours":23.049701151187595,"endHours":24.70985555195795,"quality":"inauspicious"},{"name":"Chala","start":"00:43","end":"02:22","startHours":24.70985555195795,"endHours":26.370009952728307,"quality":"neutral"},{"name":"Labha","start":"02:22","end":"04:02","startHours":26.370009952728307,"endHours":28.030164353498662,"quality":"auspicious"},{"name":"Amṛta","start":"04:02","end":"05:41","startHours":28.030164353498662,"endHours":29.69031875426902,"quality":"auspicious"},{"name":"Kāla","start":"05:41","end":"07:21","startHours":29.69031875426902,"endHours":31.350473155039374,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:21","end":"08:21","startHours":7.350473155039374,"endHours":8.350473155039374,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:21","end":"09:21","startHours":8.350473155039374,"endHours":9.350473155039374,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:21","end":"10:21","startHours":9.350473155039374,"endHours":10.350473155039374,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:21","end":"11:21","startHours":10.350473155039374,"endHours":11.350473155039374,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:21","end":"12:21","startHours":11.350473155039374,"endHours":12.350473155039374,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:21","end":"13:21","startHours":12.350473155039374,"endHours":13.350473155039374,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:21","end":"14:21","startHours":13.350473155039374,"endHours":14.350473155039374,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:21","end":"15:21","startHours":14.350473155039374,"endHours":15.350473155039374,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:21","end":"16:21","startHours":15.350473155039374,"endHours":16.350473155039374,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:21","end":"17:21","startHours":16.350473155039374,"endHours":17.350473155039374,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:21","end":"18:21","startHours":17.350473155039374,"endHours":18.350473155039374,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:21","end":"19:21","startHours":18.350473155039374,"endHours":19.350473155039374,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:21","end":"20:21","startHours":19.350473155039374,"endHours":20.350473155039374,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:21","end":"21:21","startHours":20.350473155039374,"endHours":21.350473155039374,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:21","end":"22:21","startHours":21.350473155039374,"endHours":22.350473155039374,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:21","end":"23:21","startHours":22.350473155039374,"endHours":23.350473155039374,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:21","end":"00:21","startHours":23.350473155039374,"endHours":24.350473155039374,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:21","end":"01:21","startHours":24.350473155039374,"endHours":25.350473155039374,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:21","end":"02:21","startHours":25.350473155039374,"endHours":26.350473155039374,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:21","end":"03:21","startHours":26.350473155039374,"endHours":27.350473155039374,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:21","end":"04:21","startHours":27.350473155039374,"endHours":28.350473155039374,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:21","end":"05:21","startHours":28.350473155039374,"endHours":29.350473155039374,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:21","end":"06:21","startHours":29.350473155039374,"endHours":30.350473155039374,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:21","end":"07:21","startHours":30.350473155039374,"endHours":31.350473155039374,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Amṛta","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":-15.64682440215784,"eotMinutes":-14.295333117477217,"ayanamsa":26.2292}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","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":"Phālguna Kṛṣṇa Pañcamī · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 February 6, 2170 CE · Phoenix, USA · Vidhyamitra","description":"February 6, 2170 CE for Phoenix, USA: Kṛṣṇa Pañcamī, sūryodaya 07:21, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2170-02-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2170-02-06","sa":"https://sa.vidhyamitra.com/city/phoenix/2170-02-06","hi":"https://hi.vidhyamitra.com/city/phoenix/2170-02-06","x-default":"https://vidhyamitra.com/city/phoenix/2170-02-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:37:34.145Z","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":"2026-05-31T11:37:34.145Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:37:34.145Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}