{"id":"vidhyamitra:city-day:rishikesh:2129-09-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2129-09-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2129-09-16","date_display":"September 16, 2129 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":2129,"month":9,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498919.770833,"kali_year":5231,"ahargana":1910454.2708,"sun":{"sidereal_longitude":146.5797,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":174.5319,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.9522,"elapsed_within_tithi_degrees":3.9522},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.5319,"elapsed_within_degrees":1.1986},"yoga":{"number":25,"name":"Brahma","sum_longitude":321.1116},"karana":{"half_tithi_index":4,"name":"Taitila"},"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":2129,"month":9,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2498919.770833,"ahargana":1910454.2708,"kali_year":5231,"ayanamsa_lahiri":25.6649,"grahas":{"sun":{"sidereal_longitude":147.620246,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":173.486446,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":3.88},"mars":{"sidereal_longitude":293.99064599999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":129.572246,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":349.545146,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":125.49584600000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":173.94694600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":114.939,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":294.939,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"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":2129,"month":9,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498919.770833,"kali_year":5231,"ahargana":1910454.2708,"sun":{"sidereal_longitude":146.5797,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":174.5319,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.9522,"elapsed_within_tithi_degrees":3.9522},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.5319,"elapsed_within_degrees":1.1986},"yoga":{"number":25,"name":"Brahma","sum_longitude":321.1116},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.88,"elongation":27.952},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.88,"opposition_distance":152.048}},"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":"06:01","sunsetLocal":"18:21","solarNoonLocal":"12:11","dayLengthHours":12.334666348759228,"dayLengthDisplay":"12 Hours 20 Mins 05 Secs","nightLengthDisplay":"11 Hours 39 Mins 55 Secs","moonriseLocal":"08:09","moonsetLocal":"19:40","rahuKala":{"name":"Rāhu Kāla","start":"10:39","end":"12:11","startHours":10.642521522559615,"endHours":12.18435481615452,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:16","end":"16:49","startHours":15.268021403344328,"endHours":16.80985469693923,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:34","end":"09:06","startHours":7.558854935369809,"endHours":9.100688228964714,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.895110456485392,"endHours":9.306266001444033,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:52","startHours":6.530966072973207,"endHours":6.85989050894012,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:36","startHours":11.77319927119588,"endHours":12.595510361113162,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:12","startHours":4.372399461940342,"endHours":5.194710551857624,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:59","end":"06:01","startHours":4.989132779378304,"endHours":6.017021641774906,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:04","startHours":14.240132540947723,"endHours":15.062443630865005,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.151687990534136,"endHours":18.551687990534134,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:52","startHours":18.351687990534135,"endHours":18.865632421732435,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.101687990534135,"endHours":19.851687990534135,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:36","startHours":23.773199271195878,"endHours":24.595510361113163,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:01","end":"07:34","startHours":6.017021641774906,"endHours":7.558854935369809,"quality":"neutral"},{"name":"Labha","start":"07:34","end":"09:06","startHours":7.558854935369809,"endHours":9.100688228964714,"quality":"auspicious"},{"name":"Amṛta","start":"09:06","end":"10:39","startHours":9.100688228964714,"endHours":10.642521522559615,"quality":"auspicious"},{"name":"Kāla","start":"10:39","end":"12:11","startHours":10.642521522559615,"endHours":12.18435481615452,"quality":"inauspicious"},{"name":"Śubha","start":"12:11","end":"13:44","startHours":12.18435481615452,"endHours":13.726188109749422,"quality":"auspicious"},{"name":"Roga","start":"13:44","end":"15:16","startHours":13.726188109749422,"endHours":15.268021403344328,"quality":"inauspicious"},{"name":"Udveg","start":"15:16","end":"16:49","startHours":15.268021403344328,"endHours":16.80985469693923,"quality":"inauspicious"},{"name":"Chala","start":"16:49","end":"18:21","startHours":16.80985469693923,"endHours":18.351687990534135,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:21","end":"19:49","startHours":18.351687990534135,"endHours":19.809854696939233,"quality":"inauspicious"},{"name":"Udveg","start":"19:49","end":"21:16","startHours":19.809854696939233,"endHours":21.268021403344328,"quality":"inauspicious"},{"name":"Chala","start":"21:16","end":"22:44","startHours":21.268021403344328,"endHours":22.726188109749422,"quality":"neutral"},{"name":"Labha","start":"22:44","end":"00:11","startHours":22.726188109749422,"endHours":24.18435481615452,"quality":"auspicious"},{"name":"Amṛta","start":"00:11","end":"01:39","startHours":24.18435481615452,"endHours":25.64252152255962,"quality":"auspicious"},{"name":"Kāla","start":"01:39","end":"03:06","startHours":25.64252152255962,"endHours":27.100688228964714,"quality":"inauspicious"},{"name":"Śubha","start":"03:06","end":"04:34","startHours":27.100688228964714,"endHours":28.55885493536981,"quality":"auspicious"},{"name":"Roga","start":"04:34","end":"06:01","startHours":28.55885493536981,"endHours":30.017021641774907,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.017021641774906,"endHours":7.017021641774906,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.017021641774906,"endHours":8.017021641774907,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.017021641774907,"endHours":9.017021641774907,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.017021641774907,"endHours":10.017021641774907,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.017021641774907,"endHours":11.017021641774907,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.017021641774907,"endHours":12.017021641774907,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.017021641774907,"endHours":13.017021641774907,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.017021641774907,"endHours":14.017021641774907,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.017021641774907,"endHours":15.017021641774907,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.017021641774907,"endHours":16.017021641774907,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.017021641774907,"endHours":17.017021641774907,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.017021641774907,"endHours":18.017021641774907,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.017021641774907,"endHours":19.017021641774907,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.017021641774907,"endHours":20.017021641774907,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.017021641774907,"endHours":21.017021641774907,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.017021641774907,"endHours":22.017021641774907,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.017021641774907,"endHours":23.017021641774907,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.017021641774907,"endHours":24.017021641774907,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.017021641774907,"endHours":25.017021641774907,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.017021641774907,"endHours":26.017021641774907,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.017021641774907,"endHours":27.017021641774907,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.017021641774907,"endHours":28.017021641774907,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.017021641774907,"endHours":29.017021641774907,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.017021641774907,"endHours":30.017021641774907,"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":2.665567350551576,"eotMinutes":5.868311030728706,"ayanamsa":25.6649}},"calendars":{"vikram_samvat":2186,"vikram_samvatsara":"Śubhakṛt","saka_samvat":2051,"saka_samvatsara":"Virodhi","bengali_samvat":1536,"malayalam_era":1305,"nanakshahi_year":660,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Tṛtīyā · Vikram 2186 Śubhakṛt · Śaka 2051 Virodhi"},"festivals":[{"id":"varaha-jayanti","name":"Varāha Jayantī","name_sanskrit":"वराह जयन्ती","tradition":"Vaishnava","associated_deity":"Varāha (3rd daśāvatāra of Krishna)","deity_avatara_index":12,"significance":"Varāha lifted Bhū-Devī from the cosmic ocean.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4,"sources":["Bhāgavata 3.13"]},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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 September 16, 2129 CE · Ṛṣikeśa · Vidhyamitra","description":"September 16, 2129 CE for Ṛṣikeśa: Śukla Tṛtīyā, sūryodaya 06:01, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2129-09-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2129-09-16","sa":"https://sa.vidhyamitra.com/city/rishikesh/2129-09-16","hi":"https://hi.vidhyamitra.com/city/rishikesh/2129-09-16","x-default":"https://vidhyamitra.com/city/rishikesh/2129-09-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T02:49:20.330Z","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":"2026-05-23T02:49:20.330Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T02:49:20.330Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}