{"id":"vidhyamitra:city-day:rishikesh:2130-02-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2130-02-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2130-02-12","date_display":"February 12, 2130 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":2130,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499068.770833,"kali_year":5231,"ahargana":1910603.2708,"sun":{"sidereal_longitude":297.1849,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":343.3298,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.145,"elapsed_within_tithi_degrees":10.145},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":343.3298,"elapsed_within_degrees":9.9965},"yoga":{"number":22,"name":"Sādhya","sum_longitude":280.5147},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2130,"month":2,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499068.770833,"ahargana":1910603.2708,"kali_year":5231,"ayanamsa_lahiri":25.6706,"grahas":{"sun":{"sidereal_longitude":297.415653,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":346.714753,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":-3.742},"mars":{"sidereal_longitude":6.479053000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":293.28995299999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":349.260053,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":312.0413530000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":186.93465300000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":107.0442,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":287.0442,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":"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":2130,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499068.770833,"kali_year":5231,"ahargana":1910603.2708,"sun":{"sidereal_longitude":297.1849,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":343.3298,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.145,"elapsed_within_tithi_degrees":10.145},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":343.3298,"elapsed_within_degrees":9.9965},"yoga":{"number":22,"name":"Sādhya","sum_longitude":280.5147},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.742,"elongation":46.145},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.742,"opposition_distance":133.855}},"eclipse_window_40days":[{"offset_days":-19,"type":"lunar","occurs":true,"moon_latitude":-0.993,"opposition_distance":2.474}]},"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":"07:00","sunsetLocal":"18:03","solarNoonLocal":"12:32","dayLengthHours":11.040823661815057,"dayLengthDisplay":"11 Hours 02 Mins 27 Secs","nightLengthDisplay":"12 Hours 57 Mins 33 Secs","moonriseLocal":"09:35","moonsetLocal":"22:03","rahuKala":{"name":"Rāhu Kāla","start":"16:40","end":"18:03","startHours":16.66571440809549,"endHours":18.04581736582237,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:32","end":"13:54","startHours":12.525405534914842,"endHours":13.905508492641722,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:17","end":"16:40","startHours":15.285611450368606,"endHours":16.66571440809549,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:57","startHours":9.581185891764159,"endHours":9.949213347157995,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:46","startHours":7.465028023249607,"endHours":7.759449987564675,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.157378079521004,"endHours":12.893432990308677,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:32","end":"06:16","startHours":5.532883882431972,"endHours":6.268938793219642,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"07:00","startHours":6.084925065522724,"endHours":7.004993704007313,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:06","startHours":14.365542811884017,"endHours":15.101597722671688,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.84581736582237,"endHours":18.24581736582237,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:30","startHours":18.04581736582237,"endHours":18.505851685064663,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.79581736582237,"endHours":19.54581736582237,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.157378079521003,"endHours":24.893432990308675,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:00","end":"08:23","startHours":7.004993704007313,"endHours":8.385096661734195,"quality":"inauspicious"},{"name":"Chala","start":"08:23","end":"09:46","startHours":8.385096661734195,"endHours":9.765199619461077,"quality":"neutral"},{"name":"Labha","start":"09:46","end":"11:09","startHours":9.765199619461077,"endHours":11.145302577187959,"quality":"auspicious"},{"name":"Amṛta","start":"11:09","end":"12:32","startHours":11.145302577187959,"endHours":12.525405534914842,"quality":"auspicious"},{"name":"Kāla","start":"12:32","end":"13:54","startHours":12.525405534914842,"endHours":13.905508492641722,"quality":"inauspicious"},{"name":"Śubha","start":"13:54","end":"15:17","startHours":13.905508492641722,"endHours":15.285611450368606,"quality":"auspicious"},{"name":"Roga","start":"15:17","end":"16:40","startHours":15.285611450368606,"endHours":16.66571440809549,"quality":"inauspicious"},{"name":"Udveg","start":"16:40","end":"18:03","startHours":16.66571440809549,"endHours":18.04581736582237,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:03","end":"19:40","startHours":18.04581736582237,"endHours":19.665714408095486,"quality":"auspicious"},{"name":"Roga","start":"19:40","end":"21:17","startHours":19.665714408095486,"endHours":21.285611450368606,"quality":"inauspicious"},{"name":"Udveg","start":"21:17","end":"22:54","startHours":21.285611450368606,"endHours":22.905508492641722,"quality":"inauspicious"},{"name":"Chala","start":"22:54","end":"00:32","startHours":22.905508492641722,"endHours":24.52540553491484,"quality":"neutral"},{"name":"Labha","start":"00:32","end":"02:09","startHours":24.52540553491484,"endHours":26.14530257718796,"quality":"auspicious"},{"name":"Amṛta","start":"02:09","end":"03:46","startHours":26.14530257718796,"endHours":27.765199619461075,"quality":"auspicious"},{"name":"Kāla","start":"03:46","end":"05:23","startHours":27.765199619461075,"endHours":29.385096661734195,"quality":"inauspicious"},{"name":"Śubha","start":"05:23","end":"07:00","startHours":29.385096661734195,"endHours":31.004993704007312,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":7.004993704007313,"endHours":8.004993704007312,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":8.004993704007312,"endHours":9.004993704007312,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":9.004993704007312,"endHours":10.004993704007312,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":10.004993704007312,"endHours":11.004993704007312,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":11.004993704007312,"endHours":12.004993704007312,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":12.004993704007312,"endHours":13.004993704007312,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":13.004993704007312,"endHours":14.004993704007312,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":14.004993704007312,"endHours":15.004993704007312,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":15.004993704007312,"endHours":16.004993704007312,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":16.004993704007312,"endHours":17.004993704007312,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":17.004993704007312,"endHours":18.004993704007312,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":18.004993704007312,"endHours":19.004993704007312,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":19.004993704007312,"endHours":20.004993704007312,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":20.004993704007312,"endHours":21.004993704007312,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":21.004993704007312,"endHours":22.004993704007312,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":22.004993704007312,"endHours":23.004993704007312,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":23.004993704007312,"endHours":24.004993704007312,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":24.004993704007312,"endHours":25.004993704007312,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":25.004993704007312,"endHours":26.004993704007312,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":26.004993704007312,"endHours":27.004993704007312,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":27.004993704007312,"endHours":28.004993704007312,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":28.004993704007312,"endHours":29.004993704007312,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":29.004993704007312,"endHours":30.004993704007312,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":30.004993704007312,"endHours":31.004993704007312,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.82061875240043,"eotMinutes":-14.594732094890398,"ayanamsa":25.6706}},"calendars":{"vikram_samvat":2187,"vikram_samvatsara":"Śobhana","saka_samvat":2052,"saka_samvatsara":"Vikṛti","bengali_samvat":1537,"malayalam_era":1306,"nanakshahi_year":661,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturthī · Vikram 2187 Śobhana · Śaka 2052 Vikṛti"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 February 12, 2130 CE · Ṛṣikeśa · Vidhyamitra","description":"February 12, 2130 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 07:00, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2130-02-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2130-02-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/2130-02-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/2130-02-12","x-default":"https://vidhyamitra.com/city/rishikesh/2130-02-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:26:39.654Z","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":"2026-05-31T19:26:39.654Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:26:39.654Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}