{"id":"vidhyamitra:city-day:rishikesh:2163-02-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2163-02-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2163-02-04","date_display":"February 4, 2163 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":2163,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511113.770833,"kali_year":5264,"ahargana":1922648.2708,"sun":{"sidereal_longitude":288.4771,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":297.0693,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.5922,"elapsed_within_tithi_degrees":8.5922},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":297.0693,"elapsed_within_degrees":3.7359},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":225.5463},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2163,"month":2,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2511113.770833,"ahargana":1922648.2708,"kali_year":5264,"ayanamsa_lahiri":26.1313,"grahas":{"sun":{"sidereal_longitude":288.837945,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":295.75444500000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":4.2738},"mars":{"sidereal_longitude":241.63474499999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":280.108845,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":275.342545,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":249.12904500000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":225.82194500000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":188.8422,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":8.8422,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":2163,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511113.770833,"kali_year":5264,"ahargana":1922648.2708,"sun":{"sidereal_longitude":288.4771,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":297.0693,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.5922,"elapsed_within_tithi_degrees":8.5922},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":297.0693,"elapsed_within_degrees":3.7359},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":225.5463},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.274,"elongation":8.592},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.274,"opposition_distance":171.408}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"07:06","sunsetLocal":"17:56","solarNoonLocal":"12:31","dayLengthHours":10.831304977910044,"dayLengthDisplay":"10 Hours 49 Mins 53 Secs","nightLengthDisplay":"13 Hours 10 Mins 07 Secs","moonriseLocal":"07:30","moonsetLocal":"18:28","rahuKala":{"name":"Rāhu Kāla","start":"11:10","end":"12:31","startHours":11.163108950561135,"endHours":12.51702207279989,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:13","end":"16:35","startHours":15.2248483172774,"endHours":16.578761439516157,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:27","end":"09:49","startHours":8.455282706083622,"endHours":9.809195828322379,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:59","startHours":9.628674078690544,"endHours":9.989717577954213,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:50","startHours":7.552673957924453,"endHours":7.841508757335387,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:53","startHours":12.155978573536222,"endHours":12.878065572063557,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:39","end":"06:23","startHours":5.657195586790195,"endHours":6.379282585317531,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:12","end":"07:06","startHours":6.198760835685698,"endHours":7.101369583844868,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:03","startHours":14.322239569118231,"endHours":15.044326567645568,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:44","end":"18:08","startHours":17.732674561754912,"endHours":18.13267456175491,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:56","end":"18:23","startHours":17.93267456175491,"endHours":18.383978935834495,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:41","end":"19:26","startHours":17.68267456175491,"endHours":19.43267456175491,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:53","startHours":24.15597857353622,"endHours":24.87806557206356,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:06","end":"08:27","startHours":7.101369583844868,"endHours":8.455282706083622,"quality":"neutral"},{"name":"Labha","start":"08:27","end":"09:49","startHours":8.455282706083622,"endHours":9.809195828322379,"quality":"auspicious"},{"name":"Amṛta","start":"09:49","end":"11:10","startHours":9.809195828322379,"endHours":11.163108950561135,"quality":"auspicious"},{"name":"Kāla","start":"11:10","end":"12:31","startHours":11.163108950561135,"endHours":12.51702207279989,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"13:52","startHours":12.51702207279989,"endHours":13.870935195038644,"quality":"auspicious"},{"name":"Roga","start":"13:52","end":"15:13","startHours":13.870935195038644,"endHours":15.2248483172774,"quality":"inauspicious"},{"name":"Udveg","start":"15:13","end":"16:35","startHours":15.2248483172774,"endHours":16.578761439516157,"quality":"inauspicious"},{"name":"Chala","start":"16:35","end":"17:56","startHours":16.578761439516157,"endHours":17.93267456175491,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:56","end":"19:35","startHours":17.93267456175491,"endHours":19.578761439516157,"quality":"inauspicious"},{"name":"Udveg","start":"19:35","end":"21:13","startHours":19.578761439516157,"endHours":21.2248483172774,"quality":"inauspicious"},{"name":"Chala","start":"21:13","end":"22:52","startHours":21.2248483172774,"endHours":22.870935195038644,"quality":"neutral"},{"name":"Labha","start":"22:52","end":"00:31","startHours":22.870935195038644,"endHours":24.51702207279989,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"02:10","startHours":24.51702207279989,"endHours":26.163108950561135,"quality":"auspicious"},{"name":"Kāla","start":"02:10","end":"03:49","startHours":26.163108950561135,"endHours":27.80919582832238,"quality":"inauspicious"},{"name":"Śubha","start":"03:49","end":"05:27","startHours":27.80919582832238,"endHours":29.455282706083622,"quality":"auspicious"},{"name":"Roga","start":"05:27","end":"07:06","startHours":29.455282706083622,"endHours":31.101369583844868,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.101369583844868,"endHours":8.101369583844868,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.101369583844868,"endHours":9.101369583844868,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.101369583844868,"endHours":10.101369583844868,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.101369583844868,"endHours":11.101369583844868,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.101369583844868,"endHours":12.101369583844868,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.101369583844868,"endHours":13.101369583844868,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.101369583844868,"endHours":14.101369583844868,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.101369583844868,"endHours":15.101369583844868,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.101369583844868,"endHours":16.101369583844868,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.101369583844868,"endHours":17.101369583844868,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.101369583844868,"endHours":18.101369583844868,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.101369583844868,"endHours":19.101369583844868,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.101369583844868,"endHours":20.101369583844868,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.101369583844868,"endHours":21.101369583844868,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.101369583844868,"endHours":22.101369583844868,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.101369583844868,"endHours":23.101369583844868,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.101369583844868,"endHours":24.101369583844868,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.101369583844868,"endHours":25.101369583844868,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.101369583844868,"endHours":26.101369583844868,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.101369583844868,"endHours":27.101369583844868,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.101369583844868,"endHours":28.101369583844868,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.101369583844868,"endHours":29.101369583844868,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.101369583844868,"endHours":30.101369583844868,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.101369583844868,"endHours":31.101369583844868,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Lumba","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":-16.343196248556335,"eotMinutes":-14.091724367993354,"ayanamsa":26.1313}},"calendars":{"vikram_samvat":2220,"vikram_samvatsara":"Dhātṛ","saka_samvat":2085,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1570,"malayalam_era":1339,"nanakshahi_year":694,"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 Pratipada · Vikram 2220 Dhātṛ · Śaka 2085 Rudhirodgāri"},"festivals":[{"id":"magha-gupta-navratri-start","name":"Māgha Gupta Navrātri Start","name_sanskrit":"माघ गुप्त नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī (10 Mahāvidyās)","significance":"Hidden (gupta) Navrātri for advanced sādhanā of 10 Mahāvidyās.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":3}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 4, 2163 CE · Ṛṣikeśa · Vidhyamitra","description":"February 4, 2163 CE for Ṛṣikeśa: Śukla Pratipada, sūryodaya 07:06, sūryāsta 17:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2163-02-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2163-02-04","sa":"https://sa.vidhyamitra.com/city/rishikesh/2163-02-04","hi":"https://hi.vidhyamitra.com/city/rishikesh/2163-02-04","x-default":"https://vidhyamitra.com/city/rishikesh/2163-02-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:47:03.370Z","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":"2026-05-30T23:47:03.370Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:47:03.370Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}