{"id":"vidhyamitra:city-day:rishikesh:1979-10-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1979-10-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1979-10-12","date_display":"October 12, 1979 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1979,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444158.770833,"kali_year":5081,"ahargana":1855693.2708,"sun":{"sidereal_longitude":173.8608,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":72.3534,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":258.4926,"elapsed_within_tithi_degrees":6.4926},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.3534,"elapsed_within_degrees":5.6868},"yoga":{"number":19,"name":"Parigha","sum_longitude":246.2142},"karana":{"half_tithi_index":43,"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":1979,"month":10,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444158.770833,"ahargana":1855693.2708,"kali_year":5081,"ayanamsa_lahiri":23.5705,"grahas":{"sun":{"sidereal_longitude":174.55071900000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":74.89741900000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-4.0468},"mars":{"sidereal_longitude":106.71511900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":193.816419,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":128.58161900000005,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":187.51831900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":147.322919,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":136.4403,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":316.4403,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1979,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444158.770833,"kali_year":5081,"ahargana":1855693.2708,"sun":{"sidereal_longitude":173.8608,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":72.3534,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":258.4926,"elapsed_within_tithi_degrees":6.4926},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.3534,"elapsed_within_degrees":5.6868},"yoga":{"number":19,"name":"Parigha","sum_longitude":246.2142},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.047,"elongation":101.507},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.047,"opposition_distance":78.493}},"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":"06:15","sunsetLocal":"17:50","solarNoonLocal":"12:03","dayLengthHours":11.577361757210433,"dayLengthDisplay":"11 Hours 34 Mins 39 Secs","nightLengthDisplay":"12 Hours 25 Mins 21 Secs","moonriseLocal":"22:24","moonsetLocal":"12:25","rahuKala":{"name":"Rāhu Kāla","start":"10:36","end":"12:03","startHours":10.59799866552903,"endHours":12.045168885180335,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:56","end":"16:23","startHours":14.939509324482941,"endHours":16.386679544134246,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:42","end":"09:09","startHours":7.7036582262264215,"endHours":9.150828445877725,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:21","startHours":8.957872416590885,"endHours":9.343784475164567,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:03","startHours":6.738878079792219,"endHours":7.047607726651163,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:26","startHours":11.659256826606654,"endHours":12.431080943754015,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:29","startHours":4.712839772280393,"endHours":5.484663889427755,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:15","startHours":5.291707860140915,"endHours":6.256488006575117,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:45","startHours":13.97472917804874,"endHours":14.746553295196103,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.633849763785552,"endHours":18.03384976378555,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:19","startHours":17.83384976378555,"endHours":18.31623983700265,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.58384976378555,"endHours":19.33384976378555,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:26","startHours":23.659256826606654,"endHours":24.431080943754015,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:15","end":"07:42","startHours":6.256488006575117,"endHours":7.7036582262264215,"quality":"neutral"},{"name":"Labha","start":"07:42","end":"09:09","startHours":7.7036582262264215,"endHours":9.150828445877725,"quality":"auspicious"},{"name":"Amṛta","start":"09:09","end":"10:36","startHours":9.150828445877725,"endHours":10.59799866552903,"quality":"auspicious"},{"name":"Kāla","start":"10:36","end":"12:03","startHours":10.59799866552903,"endHours":12.045168885180335,"quality":"inauspicious"},{"name":"Śubha","start":"12:03","end":"13:30","startHours":12.045168885180335,"endHours":13.492339104831638,"quality":"auspicious"},{"name":"Roga","start":"13:30","end":"14:56","startHours":13.492339104831638,"endHours":14.939509324482941,"quality":"inauspicious"},{"name":"Udveg","start":"14:56","end":"16:23","startHours":14.939509324482941,"endHours":16.386679544134246,"quality":"inauspicious"},{"name":"Chala","start":"16:23","end":"17:50","startHours":16.386679544134246,"endHours":17.83384976378555,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:50","end":"19:23","startHours":17.83384976378555,"endHours":19.386679544134246,"quality":"inauspicious"},{"name":"Udveg","start":"19:23","end":"20:56","startHours":19.386679544134246,"endHours":20.93950932448294,"quality":"inauspicious"},{"name":"Chala","start":"20:56","end":"22:30","startHours":20.93950932448294,"endHours":22.49233910483164,"quality":"neutral"},{"name":"Labha","start":"22:30","end":"00:03","startHours":22.49233910483164,"endHours":24.045168885180335,"quality":"auspicious"},{"name":"Amṛta","start":"00:03","end":"01:36","startHours":24.045168885180335,"endHours":25.59799866552903,"quality":"auspicious"},{"name":"Kāla","start":"01:36","end":"03:09","startHours":25.59799866552903,"endHours":27.15082844587773,"quality":"inauspicious"},{"name":"Śubha","start":"03:09","end":"04:42","startHours":27.15082844587773,"endHours":28.703658226226423,"quality":"auspicious"},{"name":"Roga","start":"04:42","end":"06:15","startHours":28.703658226226423,"endHours":30.25648800657512,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.256488006575117,"endHours":7.256488006575117,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.256488006575117,"endHours":8.256488006575118,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.256488006575118,"endHours":9.256488006575118,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.256488006575118,"endHours":10.256488006575118,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.256488006575118,"endHours":11.256488006575118,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.256488006575118,"endHours":12.256488006575118,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.256488006575118,"endHours":13.256488006575118,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.256488006575118,"endHours":14.256488006575118,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.256488006575118,"endHours":15.256488006575118,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.256488006575118,"endHours":16.25648800657512,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.25648800657512,"endHours":17.25648800657512,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.25648800657512,"endHours":18.25648800657512,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.25648800657512,"endHours":19.25648800657512,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.25648800657512,"endHours":20.25648800657512,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.25648800657512,"endHours":21.25648800657512,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.25648800657512,"endHours":22.25648800657512,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.25648800657512,"endHours":23.25648800657512,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.25648800657512,"endHours":24.25648800657512,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.25648800657512,"endHours":25.25648800657512,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.25648800657512,"endHours":26.25648800657512,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.25648800657512,"endHours":27.25648800657512,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.25648800657512,"endHours":28.25648800657512,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.25648800657512,"endHours":29.25648800657512,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.25648800657512,"endHours":30.25648800657512,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.106040857122882,"eotMinutes":14.219466889179907,"ayanamsa":23.5705}},"calendars":{"vikram_samvat":2036,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1901,"saka_samvatsara":"Siddhārthī","bengali_samvat":1386,"malayalam_era":1155,"nanakshahi_year":510,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Saptamī · Vikram 2036 Aṅgirasa · Śaka 1901 Siddhārthī"},"festivals":[],"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 October 12, 1979 CE · Ṛṣikeśa · Vidhyamitra","description":"October 12, 1979 CE for Ṛṣikeśa: Kṛṣṇa Saptamī, sūryodaya 06:15, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1979-10-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1979-10-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/1979-10-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/1979-10-12","x-default":"https://vidhyamitra.com/city/rishikesh/1979-10-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-05T18:25:46.141Z","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":"2026-09-05T18:25:46.141Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-05T18:25:46.141Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}