{"id":"vidhyamitra:city-day:rishikesh:2158-09-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2158-09-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2158-09-25","date_display":"September 25, 2158 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":2158,"month":9,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509520.770833,"kali_year":5260,"ahargana":1921055.2708,"sun":{"sidereal_longitude":154.8576,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":185.597,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":30.7395,"elapsed_within_tithi_degrees":6.7395},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.597,"elapsed_within_degrees":12.2637},"yoga":{"number":26,"name":"Indra","sum_longitude":340.4546},"karana":{"half_tithi_index":5,"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":2158,"month":9,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509520.770833,"ahargana":1921055.2708,"kali_year":5260,"ayanamsa_lahiri":26.0704,"grahas":{"sun":{"sidereal_longitude":155.98290999999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":183.74211000000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":-4.4962},"mars":{"sidereal_longitude":128.63101,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":177.54931,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":148.24251000000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":156.78640999999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":169.51910999999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":273.247,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":93.247,"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":2158,"month":9,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509520.770833,"kali_year":5260,"ahargana":1921055.2708,"sun":{"sidereal_longitude":154.8576,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":185.597,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":30.7395,"elapsed_within_tithi_degrees":6.7395},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.597,"elapsed_within_degrees":12.2637},"yoga":{"number":26,"name":"Indra","sum_longitude":340.4546},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.496,"elongation":30.739},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.496,"opposition_distance":149.261}},"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":12.065290164407337,"dayLengthDisplay":"12 Hours 03 Mins 55 Secs","nightLengthDisplay":"11 Hours 56 Mins 05 Secs","moonriseLocal":"08:23","moonsetLocal":"19:35","rahuKala":{"name":"Rāhu Kāla","start":"07:36","end":"09:07","startHours":7.605234078541549,"endHours":9.113395349092466,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:37","end":"12:08","startHours":10.621556619643382,"endHours":12.1297178901943,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:38","end":"15:09","startHours":13.637879160745218,"endHours":15.146040431296134,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.912307179685676,"endHours":9.314483518499255,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:55","startHours":6.599793231507604,"endHours":6.921534302558467,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:32","startHours":11.727541551380723,"endHours":12.531894229007877,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:18","startHours":4.48836745273632,"endHours":5.292720130363476,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:06","startHours":5.091631960956687,"endHours":6.097072807990632,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:57","startHours":14.140599584262189,"endHours":14.944952261889345,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.96236297239797,"endHours":18.362362972397968,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:40","startHours":18.16236297239797,"endHours":18.66508339591494,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.91236297239797,"endHours":19.66236297239797,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:32","startHours":23.72754155138072,"endHours":24.53189422900788,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:06","end":"07:36","startHours":6.097072807990632,"endHours":7.605234078541549,"quality":"auspicious"},{"name":"Kāla","start":"07:36","end":"09:07","startHours":7.605234078541549,"endHours":9.113395349092466,"quality":"inauspicious"},{"name":"Śubha","start":"09:07","end":"10:37","startHours":9.113395349092466,"endHours":10.621556619643382,"quality":"auspicious"},{"name":"Roga","start":"10:37","end":"12:08","startHours":10.621556619643382,"endHours":12.1297178901943,"quality":"inauspicious"},{"name":"Udveg","start":"12:08","end":"13:38","startHours":12.1297178901943,"endHours":13.637879160745218,"quality":"inauspicious"},{"name":"Chala","start":"13:38","end":"15:09","startHours":13.637879160745218,"endHours":15.146040431296134,"quality":"neutral"},{"name":"Labha","start":"15:09","end":"16:39","startHours":15.146040431296134,"endHours":16.65420170184705,"quality":"auspicious"},{"name":"Amṛta","start":"16:39","end":"18:10","startHours":16.65420170184705,"endHours":18.16236297239797,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:10","end":"19:39","startHours":18.16236297239797,"endHours":19.65420170184705,"quality":"neutral"},{"name":"Labha","start":"19:39","end":"21:09","startHours":19.65420170184705,"endHours":21.146040431296136,"quality":"auspicious"},{"name":"Amṛta","start":"21:09","end":"22:38","startHours":21.146040431296136,"endHours":22.637879160745218,"quality":"auspicious"},{"name":"Kāla","start":"22:38","end":"00:08","startHours":22.637879160745218,"endHours":24.1297178901943,"quality":"inauspicious"},{"name":"Śubha","start":"00:08","end":"01:37","startHours":24.1297178901943,"endHours":25.621556619643382,"quality":"auspicious"},{"name":"Roga","start":"01:37","end":"03:07","startHours":25.621556619643382,"endHours":27.113395349092464,"quality":"inauspicious"},{"name":"Udveg","start":"03:07","end":"04:36","startHours":27.113395349092464,"endHours":28.60523407854155,"quality":"inauspicious"},{"name":"Chala","start":"04:36","end":"06:06","startHours":28.60523407854155,"endHours":30.09707280799063,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:06","end":"07:06","startHours":6.097072807990632,"endHours":7.097072807990632,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:06","end":"08:06","startHours":7.097072807990632,"endHours":8.097072807990632,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:06","end":"09:06","startHours":8.097072807990632,"endHours":9.097072807990632,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:06","end":"10:06","startHours":9.097072807990632,"endHours":10.097072807990632,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:06","end":"11:06","startHours":10.097072807990632,"endHours":11.097072807990632,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:06","end":"12:06","startHours":11.097072807990632,"endHours":12.097072807990632,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:06","end":"13:06","startHours":12.097072807990632,"endHours":13.097072807990632,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:06","end":"14:06","startHours":13.097072807990632,"endHours":14.097072807990632,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:06","end":"15:06","startHours":14.097072807990632,"endHours":15.097072807990632,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:06","end":"16:06","startHours":15.097072807990632,"endHours":16.09707280799063,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:06","end":"17:06","startHours":16.09707280799063,"endHours":17.09707280799063,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:06","end":"18:06","startHours":17.09707280799063,"endHours":18.09707280799063,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:06","end":"19:06","startHours":18.09707280799063,"endHours":19.09707280799063,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:06","end":"20:06","startHours":19.09707280799063,"endHours":20.09707280799063,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:06","end":"21:06","startHours":20.09707280799063,"endHours":21.09707280799063,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:06","end":"22:06","startHours":21.09707280799063,"endHours":22.09707280799063,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:06","end":"23:06","startHours":22.09707280799063,"endHours":23.09707280799063,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:06","end":"00:06","startHours":23.09707280799063,"endHours":24.09707280799063,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:06","end":"01:06","startHours":24.09707280799063,"endHours":25.09707280799063,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:06","end":"02:06","startHours":25.09707280799063,"endHours":26.09707280799063,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:06","end":"03:06","startHours":26.09707280799063,"endHours":27.09707280799063,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:06","end":"04:06","startHours":27.09707280799063,"endHours":28.09707280799063,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:06","end":"05:06","startHours":28.09707280799063,"endHours":29.09707280799063,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:06","end":"06:06","startHours":29.09707280799063,"endHours":30.09707280799063,"planetary_lord":"Venus"}],"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":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-0.8165208819972325,"eotMinutes":9.146526588342006,"ayanamsa":26.0704}},"calendars":{"vikram_samvat":2215,"vikram_samvatsara":"Prajāpati","saka_samvat":2080,"saka_samvatsara":"Kālayukta","bengali_samvat":1565,"malayalam_era":1334,"nanakshahi_year":689,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","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":"Āśvina Śukla Tṛtīyā · Vikram 2215 Prajāpati · Śaka 2080 Kālayukta"},"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":[]},"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, 2158 CE · Ṛṣikeśa · Vidhyamitra","description":"September 25, 2158 CE for Ṛṣikeśa: Śukla Tṛtīyā, sūryodaya 06:06, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2158-09-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2158-09-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/2158-09-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/2158-09-25","x-default":"https://vidhyamitra.com/city/rishikesh/2158-09-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T07:12:42.062Z","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":"2026-06-03T07:12:42.062Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T07:12:42.062Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}