{"id":"vidhyamitra:city-day:rishikesh:1972-09-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1972-09-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1972-09-25","date_display":"September 25, 1972 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":1972,"month":9,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441585.770833,"kali_year":5074,"ahargana":1853120.2708,"sun":{"sidereal_longitude":157.9179,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":1.4172,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":203.4993,"elapsed_within_tithi_degrees":11.4993},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":1.4172,"elapsed_within_degrees":1.4172},"yoga":{"number":12,"name":"Dhruva","sum_longitude":159.3352},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1972,"month":9,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441585.770833,"ahargana":1853120.2708,"kali_year":5074,"ayanamsa_lahiri":23.4721,"grahas":{"sun":{"sidereal_longitude":158.594426,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":4.321425999999974,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":4.4987},"mars":{"sidereal_longitude":153.100726,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":163.13042599999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":247.0347260000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":115.27162599999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":57.377426000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":272.7702,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":92.7702,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":1972,"month":9,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441585.770833,"kali_year":5074,"ahargana":1853120.2708,"sun":{"sidereal_longitude":157.9179,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":1.4172,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":203.4993,"elapsed_within_tithi_degrees":11.4993},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":1.4172,"elapsed_within_degrees":1.4172},"yoga":{"number":12,"name":"Dhruva","sum_longitude":159.3352},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.499,"elongation":156.501},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.499,"opposition_distance":23.499}},"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":"06:06","sunsetLocal":"18:10","solarNoonLocal":"12:08","dayLengthHours":12.06488439703901,"dayLengthDisplay":"12 Hours 03 Mins 54 Secs","nightLengthDisplay":"11 Hours 56 Mins 06 Secs","moonriseLocal":"19:23","moonsetLocal":"08:19","rahuKala":{"name":"Rāhu Kāla","start":"07:36","end":"09:07","startHours":7.60538624130467,"endHours":9.113496790934546,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:37","end":"12:08","startHours":10.621607340564424,"endHours":12.1297178901943,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:38","end":"15:09","startHours":13.637828439824176,"endHours":15.145938989454052,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.91241538431723,"endHours":9.314578197551864,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:55","startHours":6.599979208218086,"endHours":6.921709458805792,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:32","startHours":11.727555076959666,"endHours":12.531880703428934,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:18","startHours":4.488624438736259,"endHours":5.292950065205527,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:06","startHours":5.09186865858821,"endHours":6.097275691674794,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:57","startHours":14.140531956367468,"endHours":14.944857582836736,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.962160088713805,"endHours":18.362160088713804,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:40","startHours":18.162160088713804,"endHours":18.664863605257096,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.912160088713804,"endHours":19.662160088713804,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:32","startHours":23.727555076959668,"endHours":24.531880703428932,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:06","end":"07:36","startHours":6.097275691674794,"endHours":7.60538624130467,"quality":"auspicious"},{"name":"Kāla","start":"07:36","end":"09:07","startHours":7.60538624130467,"endHours":9.113496790934546,"quality":"inauspicious"},{"name":"Śubha","start":"09:07","end":"10:37","startHours":9.113496790934546,"endHours":10.621607340564424,"quality":"auspicious"},{"name":"Roga","start":"10:37","end":"12:08","startHours":10.621607340564424,"endHours":12.1297178901943,"quality":"inauspicious"},{"name":"Udveg","start":"12:08","end":"13:38","startHours":12.1297178901943,"endHours":13.637828439824176,"quality":"inauspicious"},{"name":"Chala","start":"13:38","end":"15:09","startHours":13.637828439824176,"endHours":15.145938989454052,"quality":"neutral"},{"name":"Labha","start":"15:09","end":"16:39","startHours":15.145938989454052,"endHours":16.65404953908393,"quality":"auspicious"},{"name":"Amṛta","start":"16:39","end":"18:10","startHours":16.65404953908393,"endHours":18.162160088713804,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:10","end":"19:39","startHours":18.162160088713804,"endHours":19.65404953908393,"quality":"neutral"},{"name":"Labha","start":"19:39","end":"21:09","startHours":19.65404953908393,"endHours":21.145938989454052,"quality":"auspicious"},{"name":"Amṛta","start":"21:09","end":"22:38","startHours":21.145938989454052,"endHours":22.637828439824176,"quality":"auspicious"},{"name":"Kāla","start":"22:38","end":"00:08","startHours":22.637828439824176,"endHours":24.1297178901943,"quality":"inauspicious"},{"name":"Śubha","start":"00:08","end":"01:37","startHours":24.1297178901943,"endHours":25.621607340564424,"quality":"auspicious"},{"name":"Roga","start":"01:37","end":"03:07","startHours":25.621607340564424,"endHours":27.113496790934548,"quality":"inauspicious"},{"name":"Udveg","start":"03:07","end":"04:36","startHours":27.113496790934548,"endHours":28.60538624130467,"quality":"inauspicious"},{"name":"Chala","start":"04:36","end":"06:06","startHours":28.60538624130467,"endHours":30.097275691674795,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:06","end":"07:06","startHours":6.097275691674794,"endHours":7.097275691674794,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:06","end":"08:06","startHours":7.097275691674794,"endHours":8.097275691674794,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:06","end":"09:06","startHours":8.097275691674794,"endHours":9.097275691674794,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:06","end":"10:06","startHours":9.097275691674794,"endHours":10.097275691674794,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:06","end":"11:06","startHours":10.097275691674794,"endHours":11.097275691674794,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:06","end":"12:06","startHours":11.097275691674794,"endHours":12.097275691674794,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:06","end":"13:06","startHours":12.097275691674794,"endHours":13.097275691674794,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:06","end":"14:06","startHours":13.097275691674794,"endHours":14.097275691674794,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:06","end":"15:06","startHours":14.097275691674794,"endHours":15.097275691674794,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:06","end":"16:06","startHours":15.097275691674794,"endHours":16.097275691674795,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:06","end":"17:06","startHours":16.097275691674795,"endHours":17.097275691674795,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:06","end":"18:06","startHours":17.097275691674795,"endHours":18.097275691674795,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:06","end":"19:06","startHours":18.097275691674795,"endHours":19.097275691674795,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:06","end":"20:06","startHours":19.097275691674795,"endHours":20.097275691674795,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:06","end":"21:06","startHours":20.097275691674795,"endHours":21.097275691674795,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:06","end":"22:06","startHours":21.097275691674795,"endHours":22.097275691674795,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:06","end":"23:06","startHours":22.097275691674795,"endHours":23.097275691674795,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:06","end":"00:06","startHours":23.097275691674795,"endHours":24.097275691674795,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:06","end":"01:06","startHours":24.097275691674795,"endHours":25.097275691674795,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:06","end":"02:06","startHours":25.097275691674795,"endHours":26.097275691674795,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:06","end":"03:06","startHours":26.097275691674795,"endHours":27.097275691674795,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:06","end":"04:06","startHours":27.097275691674795,"endHours":28.097275691674795,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:06","end":"05:06","startHours":28.097275691674795,"endHours":29.097275691674795,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:06","end":"06:06","startHours":29.097275691674795,"endHours":30.097275691674795,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","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":-0.8217744543064789,"eotMinutes":9.146526588342006,"ayanamsa":23.4721}},"calendars":{"vikram_samvat":2029,"vikram_samvatsara":"Krodhana","saka_samvat":1894,"saka_samvatsara":"Paridhāvi","bengali_samvat":1379,"malayalam_era":1148,"nanakshahi_year":503,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","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":"Āśvina Kṛṣṇa Dvitīyā · Vikram 2029 Krodhana · Śaka 1894 Paridhāvi"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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 25, 1972 CE · Ṛṣikeśa · Vidhyamitra","description":"September 25, 1972 CE for Ṛṣikeśa: Kṛṣṇa Dvitīyā, sūryodaya 06:06, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1972-09-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1972-09-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/1972-09-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/1972-09-25","x-default":"https://vidhyamitra.com/city/rishikesh/1972-09-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:41:23.927Z","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":"2026-05-31T06:41:23.927Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:41:23.927Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}