{"id":"vidhyamitra:city-day:rishikesh:2023-10-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2023-10-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2023-10-12","date_display":"October 12, 2023 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":2023,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460229.770833,"kali_year":5125,"ahargana":1871764.2708,"sun":{"sidereal_longitude":173.4792,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":142.1299,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.6507,"elapsed_within_tithi_degrees":4.6507},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":142.1299,"elapsed_within_degrees":8.7966},"yoga":{"number":24,"name":"Śukla","sum_longitude":315.6092},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2023,"month":10,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460229.770833,"ahargana":1871764.2708,"kali_year":5125,"ayanamsa_lahiri":24.1852,"grahas":{"sun":{"sidereal_longitude":174.276388,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":144.233388,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":3.0553},"mars":{"sidereal_longitude":185.43788799999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":167.88838799999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":19.168288000000018,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":128.06868799999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":306.86708799999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":4.9214,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":184.9214,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":2023,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460229.770833,"kali_year":5125,"ahargana":1871764.2708,"sun":{"sidereal_longitude":173.4792,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":142.1299,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.6507,"elapsed_within_tithi_degrees":4.6507},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":142.1299,"elapsed_within_degrees":8.7966},"yoga":{"number":24,"name":"Śukla","sum_longitude":315.6092},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.055,"elongation":31.349},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.055,"opposition_distance":148.651}},"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":"06:16","sunsetLocal":"17:50","solarNoonLocal":"12:03","dayLengthHours":11.567216623000045,"dayLengthDisplay":"11 Hours 34 Mins 02 Secs","nightLengthDisplay":"12 Hours 25 Mins 58 Secs","moonriseLocal":"03:49","moonsetLocal":"16:16","rahuKala":{"name":"Rāhu Kāla","start":"13:29","end":"14:56","startHours":13.49107096305534,"endHours":14.936973040930345,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:16","end":"07:42","startHours":6.2615605736803115,"endHours":7.707462651555317,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:09","end":"10:36","startHours":9.153364729430322,"endHours":10.599266807305328,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:21","startHours":8.960577785713655,"endHours":9.34615167314699,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:03","startHours":6.74352793297198,"endHours":7.051987042918648,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:26","startHours":11.659594997747,"endHours":12.43074277261367,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:29","startHours":4.7192650239469724,"endHours":5.490412798813642,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:16","startHours":5.297625855096975,"endHours":6.2615605736803115,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:45","startHours":13.973038322347008,"endHours":14.744186097213678,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.628777196680357,"endHours":18.028777196680355,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:19","startHours":17.828777196680356,"endHours":18.310744555972025,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.578777196680356,"endHours":19.328777196680356,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:26","startHours":23.659594997747,"endHours":24.43074277261367,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:16","end":"07:42","startHours":6.2615605736803115,"endHours":7.707462651555317,"quality":"auspicious"},{"name":"Roga","start":"07:42","end":"09:09","startHours":7.707462651555317,"endHours":9.153364729430322,"quality":"inauspicious"},{"name":"Udveg","start":"09:09","end":"10:36","startHours":9.153364729430322,"endHours":10.599266807305328,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"12:03","startHours":10.599266807305328,"endHours":12.045168885180335,"quality":"neutral"},{"name":"Labha","start":"12:03","end":"13:29","startHours":12.045168885180335,"endHours":13.49107096305534,"quality":"auspicious"},{"name":"Amṛta","start":"13:29","end":"14:56","startHours":13.49107096305534,"endHours":14.936973040930345,"quality":"auspicious"},{"name":"Kāla","start":"14:56","end":"16:23","startHours":14.936973040930345,"endHours":16.38287511880535,"quality":"inauspicious"},{"name":"Śubha","start":"16:23","end":"17:50","startHours":16.38287511880535,"endHours":17.828777196680356,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:50","end":"19:23","startHours":17.828777196680356,"endHours":19.38287511880535,"quality":"auspicious"},{"name":"Kāla","start":"19:23","end":"20:56","startHours":19.38287511880535,"endHours":20.936973040930344,"quality":"inauspicious"},{"name":"Śubha","start":"20:56","end":"22:29","startHours":20.936973040930344,"endHours":22.49107096305534,"quality":"auspicious"},{"name":"Roga","start":"22:29","end":"00:03","startHours":22.49107096305534,"endHours":24.045168885180335,"quality":"inauspicious"},{"name":"Udveg","start":"00:03","end":"01:36","startHours":24.045168885180335,"endHours":25.599266807305327,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"03:09","startHours":25.599266807305327,"endHours":27.153364729430322,"quality":"neutral"},{"name":"Labha","start":"03:09","end":"04:42","startHours":27.153364729430322,"endHours":28.707462651555318,"quality":"auspicious"},{"name":"Amṛta","start":"04:42","end":"06:16","startHours":28.707462651555318,"endHours":30.261560573680313,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.2615605736803115,"endHours":7.2615605736803115,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.2615605736803115,"endHours":8.261560573680311,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.261560573680311,"endHours":9.261560573680311,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.261560573680311,"endHours":10.261560573680311,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.261560573680311,"endHours":11.261560573680311,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.261560573680311,"endHours":12.261560573680311,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.261560573680311,"endHours":13.261560573680311,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.261560573680311,"endHours":14.261560573680311,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.261560573680311,"endHours":15.261560573680311,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.261560573680311,"endHours":16.261560573680313,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.261560573680313,"endHours":17.261560573680313,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.261560573680313,"endHours":18.261560573680313,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.261560573680313,"endHours":19.261560573680313,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.261560573680313,"endHours":20.261560573680313,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.261560573680313,"endHours":21.261560573680313,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.261560573680313,"endHours":22.261560573680313,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.261560573680313,"endHours":23.261560573680313,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.261560573680313,"endHours":24.261560573680313,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.261560573680313,"endHours":25.261560573680313,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.261560573680313,"endHours":26.261560573680313,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.261560573680313,"endHours":27.261560573680313,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.261560573680313,"endHours":28.261560573680313,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.261560573680313,"endHours":29.261560573680313,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.261560573680313,"endHours":30.261560573680313,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-7.23558958186661,"eotMinutes":14.219466889179907,"ayanamsa":24.1852}},"calendars":{"vikram_samvat":2080,"vikram_samvatsara":"Nala","saka_samvat":1945,"saka_samvatsara":"Śobhana","bengali_samvat":1430,"malayalam_era":1199,"nanakshahi_year":554,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Trayodaśī · Vikram 2080 Nala · Śaka 1945 Śobhana"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 October 12, 2023 CE · Ṛṣikeśa · Vidhyamitra","description":"October 12, 2023 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 06:16, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2023-10-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2023-10-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/2023-10-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/2023-10-12","x-default":"https://vidhyamitra.com/city/rishikesh/2023-10-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T12:59:30.830Z","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":"2026-05-15T12:59:30.830Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T12:59:30.830Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}